Home / 115,818.08-173,752.62-65,921.66

Finding the Fourth Proportional to 115,818.08, 173,752.62 and 65,921.66

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Solution

The fourth proportional to 115,818.08, 173,752.62 and 65,921.66 is: 98,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,818.08 : 173,752.62 = 65,921.66 : x
  2. Step 2: Convert to fraction form
    115,818.08/173,752.62 = 65,921.66/x
  3. Step 3: Cross multiply
    115,818.08x = 173,752.62 × 65,921.66
  4. Step 4: Simplify right side
    115,818.08x = 11,454,061,139.75
  5. Step 5: Solve for x
    x = 11,454,061,139.75/115,818.08
  6. Step 6: Final answer
    x = 98,897.00

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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.