Home / 325,248.11-487,591.55-156,536.35

Finding the Fourth Proportional to 325,248.11, 487,591.55 and 156,536.35

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Solution

The fourth proportional to 325,248.11, 487,591.55 and 156,536.35 is: 234,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,248.11 : 487,591.55 = 156,536.35 : x
  2. Step 2: Convert to fraction form
    325,248.11/487,591.55 = 156,536.35/x
  3. Step 3: Cross multiply
    325,248.11x = 487,591.55 × 156,536.35
  4. Step 4: Simplify right side
    325,248.11x = 76,325,800,113.19
  5. Step 5: Solve for x
    x = 76,325,800,113.19/325,248.11
  6. Step 6: Final answer
    x = 234,669.47

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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.