Home / 176,169.57-243,110.64-99,687.29

Finding the Fourth Proportional to 176,169.57, 243,110.64 and 99,687.29

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Solution

The fourth proportional to 176,169.57, 243,110.64 and 99,687.29 is: 137,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,169.57 : 243,110.64 = 99,687.29 : x
  2. Step 2: Convert to fraction form
    176,169.57/243,110.64 = 99,687.29/x
  3. Step 3: Cross multiply
    176,169.57x = 243,110.64 × 99,687.29
  4. Step 4: Simplify right side
    176,169.57x = 24,235,039,656.21
  5. Step 5: Solve for x
    x = 24,235,039,656.21/176,169.57
  6. Step 6: Final answer
    x = 137,566.55

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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.