Home / 176,255.29-243,174.35-99,766.79

Finding the Fourth Proportional to 176,255.29, 243,174.35 and 99,766.79

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Solution

The fourth proportional to 176,255.29, 243,174.35 and 99,766.79 is: 137,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,255.29 : 243,174.35 = 99,766.79 : x
  2. Step 2: Convert to fraction form
    176,255.29/243,174.35 = 99,766.79/x
  3. Step 3: Cross multiply
    176,255.29x = 243,174.35 × 99,766.79
  4. Step 4: Simplify right side
    176,255.29x = 24,260,724,255.29
  5. Step 5: Solve for x
    x = 24,260,724,255.29/176,255.29
  6. Step 6: Final answer
    x = 137,645.37

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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.