Home / 99,331.20-148,996.80-94,723.20

Finding the Fourth Proportional to 99,331.20, 148,996.80 and 94,723.20

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Solution

The fourth proportional to 99,331.20, 148,996.80 and 94,723.20 is: 142,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,331.20 : 148,996.80 = 94,723.20 : x
  2. Step 2: Convert to fraction form
    99,331.20/148,996.80 = 94,723.20/x
  3. Step 3: Cross multiply
    99,331.20x = 148,996.80 × 94,723.20
  4. Step 4: Simplify right side
    99,331.20x = 14,113,453,685.76
  5. Step 5: Solve for x
    x = 14,113,453,685.76/99,331.20
  6. Step 6: Final answer
    x = 142,084.80

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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.