Home / 131,705.46-181,753.20-71,276.22

Finding the Fourth Proportional to 131,705.46, 181,753.20 and 71,276.22

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Solution

The fourth proportional to 131,705.46, 181,753.20 and 71,276.22 is: 98,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,705.46 : 181,753.20 = 71,276.22 : x
  2. Step 2: Convert to fraction form
    131,705.46/181,753.20 = 71,276.22/x
  3. Step 3: Cross multiply
    131,705.46x = 181,753.20 × 71,276.22
  4. Step 4: Simplify right side
    131,705.46x = 12,954,681,068.90
  5. Step 5: Solve for x
    x = 12,954,681,068.90/131,705.46
  6. Step 6: Final answer
    x = 98,361.00

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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.