Home / 100,298.17-149,550.56-97,542.55

Finding the Fourth Proportional to 100,298.17, 149,550.56 and 97,542.55

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Solution

The fourth proportional to 100,298.17, 149,550.56 and 97,542.55 is: 145,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,298.17 : 149,550.56 = 97,542.55 : x
  2. Step 2: Convert to fraction form
    100,298.17/149,550.56 = 97,542.55/x
  3. Step 3: Cross multiply
    100,298.17x = 149,550.56 × 97,542.55
  4. Step 4: Simplify right side
    100,298.17x = 14,587,541,740.86
  5. Step 5: Solve for x
    x = 14,587,541,740.86/100,298.17
  6. Step 6: Final answer
    x = 145,441.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.