Home / 153,240.04-229,860.05-42,432.04

Finding the Fourth Proportional to 153,240.04, 229,860.05 and 42,432.04

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Solution

The fourth proportional to 153,240.04, 229,860.05 and 42,432.04 is: 63,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,240.04 : 229,860.05 = 42,432.04 : x
  2. Step 2: Convert to fraction form
    153,240.04/229,860.05 = 42,432.04/x
  3. Step 3: Cross multiply
    153,240.04x = 229,860.05 × 42,432.04
  4. Step 4: Simplify right side
    153,240.04x = 9,753,429,474.54
  5. Step 5: Solve for x
    x = 9,753,429,474.54/153,240.04
  6. Step 6: Final answer
    x = 63,648.05

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1.5x scale

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.