Home / 136,282.32-204,456.36-42,788.04

Finding the Fourth Proportional to 136,282.32, 204,456.36 and 42,788.04

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Solution

The fourth proportional to 136,282.32, 204,456.36 and 42,788.04 is: 64,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,282.32 : 204,456.36 = 42,788.04 : x
  2. Step 2: Convert to fraction form
    136,282.32/204,456.36 = 42,788.04/x
  3. Step 3: Cross multiply
    136,282.32x = 204,456.36 × 42,788.04
  4. Step 4: Simplify right side
    136,282.32x = 8,748,286,909.93
  5. Step 5: Solve for x
    x = 8,748,286,909.93/136,282.32
  6. Step 6: Final answer
    x = 64,192.38

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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.