Home / 153,193.92-229,764.96-42,360

Finding the Fourth Proportional to 153,193.92, 229,764.96 and 42,360

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Solution

The fourth proportional to 153,193.92, 229,764.96 and 42,360 is: 63,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,193.92 : 229,764.96 = 42,360 : x
  2. Step 2: Convert to fraction form
    153,193.92/229,764.96 = 42,360/x
  3. Step 3: Cross multiply
    153,193.92x = 229,764.96 × 42,360
  4. Step 4: Simplify right side
    153,193.92x = 9,732,843,705.60
  5. Step 5: Solve for x
    x = 9,732,843,705.60/153,193.92
  6. Step 6: Final answer
    x = 63,532.83

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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.