Home / 153,040.75-229,429.65-53,187.97

Finding the Fourth Proportional to 153,040.75, 229,429.65 and 53,187.97

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Solution

The fourth proportional to 153,040.75, 229,429.65 and 53,187.97 is: 79,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.75 : 229,429.65 = 53,187.97 : x
  2. Step 2: Convert to fraction form
    153,040.75/229,429.65 = 53,187.97/x
  3. Step 3: Cross multiply
    153,040.75x = 229,429.65 × 53,187.97
  4. Step 4: Simplify right side
    153,040.75x = 12,202,897,341.31
  5. Step 5: Solve for x
    x = 12,202,897,341.31/153,040.75
  6. Step 6: Final answer
    x = 79,736.26

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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.