Home / 235,691.24-353,592.14-77,918.63

Finding the Fourth Proportional to 235,691.24, 353,592.14 and 77,918.63

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Solution

The fourth proportional to 235,691.24, 353,592.14 and 77,918.63 is: 116,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,691.24 : 353,592.14 = 77,918.63 : x
  2. Step 2: Convert to fraction form
    235,691.24/353,592.14 = 77,918.63/x
  3. Step 3: Cross multiply
    235,691.24x = 353,592.14 × 77,918.63
  4. Step 4: Simplify right side
    235,691.24x = 27,551,412,970.01
  5. Step 5: Solve for x
    x = 27,551,412,970.01/235,691.24
  6. Step 6: Final answer
    x = 116,896.21

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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.