Home / 121,435.09-182,167.89-65,197.90

Finding the Fourth Proportional to 121,435.09, 182,167.89 and 65,197.90

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Solution

The fourth proportional to 121,435.09, 182,167.89 and 65,197.90 is: 97,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,435.09 : 182,167.89 = 65,197.90 : x
  2. Step 2: Convert to fraction form
    121,435.09/182,167.89 = 65,197.90/x
  3. Step 3: Cross multiply
    121,435.09x = 182,167.89 × 65,197.90
  4. Step 4: Simplify right side
    121,435.09x = 11,876,963,875.43
  5. Step 5: Solve for x
    x = 11,876,963,875.43/121,435.09
  6. Step 6: Final answer
    x = 97,805.04

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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.