Home / 148,518.40-204,966.26-84,854.83

Finding the Fourth Proportional to 148,518.40, 204,966.26 and 84,854.83

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Solution

The fourth proportional to 148,518.40, 204,966.26 and 84,854.83 is: 117,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,518.40 : 204,966.26 = 84,854.83 : x
  2. Step 2: Convert to fraction form
    148,518.40/204,966.26 = 84,854.83/x
  3. Step 3: Cross multiply
    148,518.40x = 204,966.26 × 84,854.83
  4. Step 4: Simplify right side
    148,518.40x = 17,392,377,148.04
  5. Step 5: Solve for x
    x = 17,392,377,148.04/148,518.40
  6. Step 6: Final answer
    x = 117,105.87

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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.