Home / 242,553.12-363,868.56-102,332.40

Finding the Fourth Proportional to 242,553.12, 363,868.56 and 102,332.40

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Solution

The fourth proportional to 242,553.12, 363,868.56 and 102,332.40 is: 153,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,553.12 : 363,868.56 = 102,332.40 : x
  2. Step 2: Convert to fraction form
    242,553.12/363,868.56 = 102,332.40/x
  3. Step 3: Cross multiply
    242,553.12x = 363,868.56 × 102,332.40
  4. Step 4: Simplify right side
    242,553.12x = 37,235,543,029.34
  5. Step 5: Solve for x
    x = 37,235,543,029.34/242,553.12
  6. Step 6: Final answer
    x = 153,515.00

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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.