Home / 99,270.70-148,906.05-94,432.30

Finding the Fourth Proportional to 99,270.70, 148,906.05 and 94,432.30

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Solution

The fourth proportional to 99,270.70, 148,906.05 and 94,432.30 is: 141,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270.70 : 148,906.05 = 94,432.30 : x
  2. Step 2: Convert to fraction form
    99,270.70/148,906.05 = 94,432.30/x
  3. Step 3: Cross multiply
    99,270.70x = 148,906.05 × 94,432.30
  4. Step 4: Simplify right side
    99,270.70x = 14,061,540,785.42
  5. Step 5: Solve for x
    x = 14,061,540,785.42/99,270.70
  6. Step 6: Final answer
    x = 141,648.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.