Home / 156,965.58-235,448.10-129,151.08

Finding the Fourth Proportional to 156,965.58, 235,448.10 and 129,151.08

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Solution

The fourth proportional to 156,965.58, 235,448.10 and 129,151.08 is: 193,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.58 : 235,448.10 = 129,151.08 : x
  2. Step 2: Convert to fraction form
    156,965.58/235,448.10 = 129,151.08/x
  3. Step 3: Cross multiply
    156,965.58x = 235,448.10 × 129,151.08
  4. Step 4: Simplify right side
    156,965.58x = 30,408,376,398.95
  5. Step 5: Solve for x
    x = 30,408,376,398.95/156,965.58
  6. Step 6: Final answer
    x = 193,726.40

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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.