Home / 153,029.40-229,318.10-74,049.56

Finding the Fourth Proportional to 153,029.40, 229,318.10 and 74,049.56

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Solution

The fourth proportional to 153,029.40, 229,318.10 and 74,049.56 is: 110,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,029.40 : 229,318.10 = 74,049.56 : x
  2. Step 2: Convert to fraction form
    153,029.40/229,318.10 = 74,049.56/x
  3. Step 3: Cross multiply
    153,029.40x = 229,318.10 × 74,049.56
  4. Step 4: Simplify right side
    153,029.40x = 16,980,904,405.04
  5. Step 5: Solve for x
    x = 16,980,904,405.04/153,029.40
  6. Step 6: Final answer
    x = 110,964.98

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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.