Home / 131,957.93-182,253.28-86,837.35

Finding the Fourth Proportional to 131,957.93, 182,253.28 and 86,837.35

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Solution

The fourth proportional to 131,957.93, 182,253.28 and 86,837.35 is: 119,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,957.93 : 182,253.28 = 86,837.35 : x
  2. Step 2: Convert to fraction form
    131,957.93/182,253.28 = 86,837.35/x
  3. Step 3: Cross multiply
    131,957.93x = 182,253.28 × 86,837.35
  4. Step 4: Simplify right side
    131,957.93x = 15,826,391,864.01
  5. Step 5: Solve for x
    x = 15,826,391,864.01/131,957.93
  6. Step 6: Final answer
    x = 119,935.13

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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.