Home / 148,334.20-204,715.80-84,681.52

Finding the Fourth Proportional to 148,334.20, 204,715.80 and 84,681.52

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Solution

The fourth proportional to 148,334.20, 204,715.80 and 84,681.52 is: 116,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,334.20 : 204,715.80 = 84,681.52 : x
  2. Step 2: Convert to fraction form
    148,334.20/204,715.80 = 84,681.52/x
  3. Step 3: Cross multiply
    148,334.20x = 204,715.80 × 84,681.52
  4. Step 4: Simplify right side
    148,334.20x = 17,335,645,112.02
  5. Step 5: Solve for x
    x = 17,335,645,112.02/148,334.20
  6. Step 6: Final answer
    x = 116,868.83

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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.