Home / 132,901.02-199,301.85-53,988.66

Finding the Fourth Proportional to 132,901.02, 199,301.85 and 53,988.66

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Solution

The fourth proportional to 132,901.02, 199,301.85 and 53,988.66 is: 80,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901.02 : 199,301.85 = 53,988.66 : x
  2. Step 2: Convert to fraction form
    132,901.02/199,301.85 = 53,988.66/x
  3. Step 3: Cross multiply
    132,901.02x = 199,301.85 × 53,988.66
  4. Step 4: Simplify right side
    132,901.02x = 10,760,039,817.02
  5. Step 5: Solve for x
    x = 10,760,039,817.02/132,901.02
  6. Step 6: Final answer
    x = 80,962.81

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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.