Home / 140,248.28-193,557.86-86,531.91

Finding the Fourth Proportional to 140,248.28, 193,557.86 and 86,531.91

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Solution

The fourth proportional to 140,248.28, 193,557.86 and 86,531.91 is: 119,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,248.28 : 193,557.86 = 86,531.91 : x
  2. Step 2: Convert to fraction form
    140,248.28/193,557.86 = 86,531.91/x
  3. Step 3: Cross multiply
    140,248.28x = 193,557.86 × 86,531.91
  4. Step 4: Simplify right side
    140,248.28x = 16,748,930,888.65
  5. Step 5: Solve for x
    x = 16,748,930,888.65/140,248.28
  6. Step 6: Final answer
    x = 119,423.44

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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.