Home / 148,526.33-204,966.39-80,543.28

Finding the Fourth Proportional to 148,526.33, 204,966.39 and 80,543.28

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Solution

The fourth proportional to 148,526.33, 204,966.39 and 80,543.28 is: 111,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,526.33 : 204,966.39 = 80,543.28 : x
  2. Step 2: Convert to fraction form
    148,526.33/204,966.39 = 80,543.28/x
  3. Step 3: Cross multiply
    148,526.33x = 204,966.39 × 80,543.28
  4. Step 4: Simplify right side
    148,526.33x = 16,508,666,351.75
  5. Step 5: Solve for x
    x = 16,508,666,351.75/148,526.33
  6. Step 6: Final answer
    x = 111,149.76

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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.