Home / 153,046.20-229,569.30-74,314.20

Finding the Fourth Proportional to 153,046.20, 229,569.30 and 74,314.20

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Solution

The fourth proportional to 153,046.20, 229,569.30 and 74,314.20 is: 111,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.20 : 229,569.30 = 74,314.20 : x
  2. Step 2: Convert to fraction form
    153,046.20/229,569.30 = 74,314.20/x
  3. Step 3: Cross multiply
    153,046.20x = 229,569.30 × 74,314.20
  4. Step 4: Simplify right side
    153,046.20x = 17,060,258,874.06
  5. Step 5: Solve for x
    x = 17,060,258,874.06/153,046.20
  6. Step 6: Final answer
    x = 111,471.30

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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.