Home / 172,416,436.92-238,132,615.23-125,582,165.44

Finding the Fourth Proportional to 172,416,436.92, 238,132,615.23 and 125,582,165.44

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Solution

The fourth proportional to 172,416,436.92, 238,132,615.23 and 125,582,165.44 is: 173,447,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,416,436.92 : 238,132,615.23 = 125,582,165.44 : x
  2. Step 2: Convert to fraction form
    172,416,436.92/238,132,615.23 = 125,582,165.44/x
  3. Step 3: Cross multiply
    172,416,436.92x = 238,132,615.23 × 125,582,165.44
  4. Step 4: Simplify right side
    172,416,436.92x = 29,905,209,481,878,392
  5. Step 5: Solve for x
    x = 29,905,209,481,878,392/172,416,436.92
  6. Step 6: Final answer
    x = 173,447,555.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.