Home / 242,295.17-363,421.97-147,500.75

Finding the Fourth Proportional to 242,295.17, 363,421.97 and 147,500.75

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Solution

The fourth proportional to 242,295.17, 363,421.97 and 147,500.75 is: 221,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,295.17 : 363,421.97 = 147,500.75 : x
  2. Step 2: Convert to fraction form
    242,295.17/363,421.97 = 147,500.75/x
  3. Step 3: Cross multiply
    242,295.17x = 363,421.97 × 147,500.75
  4. Step 4: Simplify right side
    242,295.17x = 53,605,013,312.53
  5. Step 5: Solve for x
    x = 53,605,013,312.53/242,295.17
  6. Step 6: Final answer
    x = 221,238.47

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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.