Home / 152,032.72-209,823.40-88,370.52

Finding the Fourth Proportional to 152,032.72, 209,823.40 and 88,370.52

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Solution

The fourth proportional to 152,032.72, 209,823.40 and 88,370.52 is: 121,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,032.72 : 209,823.40 = 88,370.52 : x
  2. Step 2: Convert to fraction form
    152,032.72/209,823.40 = 88,370.52/x
  3. Step 3: Cross multiply
    152,032.72x = 209,823.40 × 88,370.52
  4. Step 4: Simplify right side
    152,032.72x = 18,542,202,966.17
  5. Step 5: Solve for x
    x = 18,542,202,966.17/152,032.72
  6. Step 6: Final answer
    x = 121,961.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.