Home / 153,278.60-229,939.56-53,424.23

Finding the Fourth Proportional to 153,278.60, 229,939.56 and 53,424.23

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Solution

The fourth proportional to 153,278.60, 229,939.56 and 53,424.23 is: 80,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,278.60 : 229,939.56 = 53,424.23 : x
  2. Step 2: Convert to fraction form
    153,278.60/229,939.56 = 53,424.23/x
  3. Step 3: Cross multiply
    153,278.60x = 229,939.56 × 53,424.23
  4. Step 4: Simplify right side
    153,278.60x = 12,284,342,789.84
  5. Step 5: Solve for x
    x = 12,284,342,789.84/153,278.60
  6. Step 6: Final answer
    x = 80,143.89

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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.