Home / 148,111.40-204,306.01-90,776.46

Finding the Fourth Proportional to 148,111.40, 204,306.01 and 90,776.46

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Solution

The fourth proportional to 148,111.40, 204,306.01 and 90,776.46 is: 125,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,111.40 : 204,306.01 = 90,776.46 : x
  2. Step 2: Convert to fraction form
    148,111.40/204,306.01 = 90,776.46/x
  3. Step 3: Cross multiply
    148,111.40x = 204,306.01 × 90,776.46
  4. Step 4: Simplify right side
    148,111.40x = 18,546,176,344.52
  5. Step 5: Solve for x
    x = 18,546,176,344.52/148,111.40
  6. Step 6: Final answer
    x = 125,217.75

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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.