Home / 442,128.70-663,333.17-157,812.95

Finding the Fourth Proportional to 442,128.70, 663,333.17 and 157,812.95

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Solution

The fourth proportional to 442,128.70, 663,333.17 and 157,812.95 is: 236,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,128.70 : 663,333.17 = 157,812.95 : x
  2. Step 2: Convert to fraction form
    442,128.70/663,333.17 = 157,812.95/x
  3. Step 3: Cross multiply
    442,128.70x = 663,333.17 × 157,812.95
  4. Step 4: Simplify right side
    442,128.70x = 104,682,563,394.20
  5. Step 5: Solve for x
    x = 104,682,563,394.20/442,128.70
  6. Step 6: Final answer
    x = 236,769.44

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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.