Home / 325,127.03-487,641.27-88,488.15

Finding the Fourth Proportional to 325,127.03, 487,641.27 and 88,488.15

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Solution

The fourth proportional to 325,127.03, 487,641.27 and 88,488.15 is: 132,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,127.03 : 487,641.27 = 88,488.15 : x
  2. Step 2: Convert to fraction form
    325,127.03/487,641.27 = 88,488.15/x
  3. Step 3: Cross multiply
    325,127.03x = 487,641.27 × 88,488.15
  4. Step 4: Simplify right side
    325,127.03x = 43,150,473,845.95
  5. Step 5: Solve for x
    x = 43,150,473,845.95/325,127.03
  6. Step 6: Final answer
    x = 132,718.81

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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.