Home / 176,216.33-243,120.66-99,727.83

Finding the Fourth Proportional to 176,216.33, 243,120.66 and 99,727.83

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Solution

The fourth proportional to 176,216.33, 243,120.66 and 99,727.83 is: 137,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,216.33 : 243,120.66 = 99,727.83 : x
  2. Step 2: Convert to fraction form
    176,216.33/243,120.66 = 99,727.83/x
  3. Step 3: Cross multiply
    176,216.33x = 243,120.66 × 99,727.83
  4. Step 4: Simplify right side
    176,216.33x = 24,245,895,475.99
  5. Step 5: Solve for x
    x = 24,245,895,475.99/176,216.33
  6. Step 6: Final answer
    x = 137,591.65

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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.