Home / 153,298.40-229,890.24-53,432.96

Finding the Fourth Proportional to 153,298.40, 229,890.24 and 53,432.96

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Solution

The fourth proportional to 153,298.40, 229,890.24 and 53,432.96 is: 80,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,298.40 : 229,890.24 = 53,432.96 : x
  2. Step 2: Convert to fraction form
    153,298.40/229,890.24 = 53,432.96/x
  3. Step 3: Cross multiply
    153,298.40x = 229,890.24 × 53,432.96
  4. Step 4: Simplify right side
    153,298.40x = 12,283,715,998.31
  5. Step 5: Solve for x
    x = 12,283,715,998.31/153,298.40
  6. Step 6: Final answer
    x = 80,129.45

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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.