Home / 153,010.40-229,515.76-47,829.92

Finding the Fourth Proportional to 153,010.40, 229,515.76 and 47,829.92

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Solution

The fourth proportional to 153,010.40, 229,515.76 and 47,829.92 is: 71,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.40 : 229,515.76 = 47,829.92 : x
  2. Step 2: Convert to fraction form
    153,010.40/229,515.76 = 47,829.92/x
  3. Step 3: Cross multiply
    153,010.40x = 229,515.76 × 47,829.92
  4. Step 4: Simplify right side
    153,010.40x = 10,977,720,439.54
  5. Step 5: Solve for x
    x = 10,977,720,439.54/153,010.40
  6. Step 6: Final answer
    x = 71,744.93

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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.