Home / 131,957.17-181,856.70-93,718.40

Finding the Fourth Proportional to 131,957.17, 181,856.70 and 93,718.40

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Solution

The fourth proportional to 131,957.17, 181,856.70 and 93,718.40 is: 129,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,957.17 : 181,856.70 = 93,718.40 : x
  2. Step 2: Convert to fraction form
    131,957.17/181,856.70 = 93,718.40/x
  3. Step 3: Cross multiply
    131,957.17x = 181,856.70 × 93,718.40
  4. Step 4: Simplify right side
    131,957.17x = 17,043,318,044.00
  5. Step 5: Solve for x
    x = 17,043,318,044.00/131,957.17
  6. Step 6: Final answer
    x = 129,157.96

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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.