Home / 136,565.76-204,707.88-52,302.92

Finding the Fourth Proportional to 136,565.76, 204,707.88 and 52,302.92

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Solution

The fourth proportional to 136,565.76, 204,707.88 and 52,302.92 is: 78,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,565.76 : 204,707.88 = 52,302.92 : x
  2. Step 2: Convert to fraction form
    136,565.76/204,707.88 = 52,302.92/x
  3. Step 3: Cross multiply
    136,565.76x = 204,707.88 × 52,302.92
  4. Step 4: Simplify right side
    136,565.76x = 10,706,819,871.01
  5. Step 5: Solve for x
    x = 10,706,819,871.01/136,565.76
  6. Step 6: Final answer
    x = 78,400.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.