Home / 147,735.24-221,570.45-42,531.36

Finding the Fourth Proportional to 147,735.24, 221,570.45 and 42,531.36

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Solution

The fourth proportional to 147,735.24, 221,570.45 and 42,531.36 is: 63,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,735.24 : 221,570.45 = 42,531.36 : x
  2. Step 2: Convert to fraction form
    147,735.24/221,570.45 = 42,531.36/x
  3. Step 3: Cross multiply
    147,735.24x = 221,570.45 × 42,531.36
  4. Step 4: Simplify right side
    147,735.24x = 9,423,691,849.75
  5. Step 5: Solve for x
    x = 9,423,691,849.75/147,735.24
  6. Step 6: Final answer
    x = 63,787.71

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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.