Home / 172,705.50-238,437.27-113,193.18

Finding the Fourth Proportional to 172,705.50, 238,437.27 and 113,193.18

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Solution

The fourth proportional to 172,705.50, 238,437.27 and 113,193.18 is: 156,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,705.50 : 238,437.27 = 113,193.18 : x
  2. Step 2: Convert to fraction form
    172,705.50/238,437.27 = 113,193.18/x
  3. Step 3: Cross multiply
    172,705.50x = 238,437.27 × 113,193.18
  4. Step 4: Simplify right side
    172,705.50x = 26,989,472,821.82
  5. Step 5: Solve for x
    x = 26,989,472,821.82/172,705.50
  6. Step 6: Final answer
    x = 156,274.54

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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.