Home / 140,988.76-194,565.99-76,458.13

Finding the Fourth Proportional to 140,988.76, 194,565.99 and 76,458.13

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Solution

The fourth proportional to 140,988.76, 194,565.99 and 76,458.13 is: 105,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.76 : 194,565.99 = 76,458.13 : x
  2. Step 2: Convert to fraction form
    140,988.76/194,565.99 = 76,458.13/x
  3. Step 3: Cross multiply
    140,988.76x = 194,565.99 × 76,458.13
  4. Step 4: Simplify right side
    140,988.76x = 14,876,150,784.17
  5. Step 5: Solve for x
    x = 14,876,150,784.17/140,988.76
  6. Step 6: Final answer
    x = 105,513.03

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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.