Home / 148,508.19-204,858.59-88,020.63

Finding the Fourth Proportional to 148,508.19, 204,858.59 and 88,020.63

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Solution

The fourth proportional to 148,508.19, 204,858.59 and 88,020.63 is: 121,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,508.19 : 204,858.59 = 88,020.63 : x
  2. Step 2: Convert to fraction form
    148,508.19/204,858.59 = 88,020.63/x
  3. Step 3: Cross multiply
    148,508.19x = 204,858.59 × 88,020.63
  4. Step 4: Simplify right side
    148,508.19x = 18,031,781,712.61
  5. Step 5: Solve for x
    x = 18,031,781,712.61/148,508.19
  6. Step 6: Final answer
    x = 121,419.44

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1.5x scale

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.