Home / 173,079.18-238,812.20-130,104.63

Finding the Fourth Proportional to 173,079.18, 238,812.20 and 130,104.63

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Solution

The fourth proportional to 173,079.18, 238,812.20 and 130,104.63 is: 179,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,079.18 : 238,812.20 = 130,104.63 : x
  2. Step 2: Convert to fraction form
    173,079.18/238,812.20 = 130,104.63/x
  3. Step 3: Cross multiply
    173,079.18x = 238,812.20 × 130,104.63
  4. Step 4: Simplify right side
    173,079.18x = 31,070,572,757.86
  5. Step 5: Solve for x
    x = 31,070,572,757.86/173,079.18
  6. Step 6: Final answer
    x = 179,516.52

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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.