Home / 176,324.10-243,327.26-100,872.60

Finding the Fourth Proportional to 176,324.10, 243,327.26 and 100,872.60

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Solution

The fourth proportional to 176,324.10, 243,327.26 and 100,872.60 is: 139,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,324.10 : 243,327.26 = 100,872.60 : x
  2. Step 2: Convert to fraction form
    176,324.10/243,327.26 = 100,872.60/x
  3. Step 3: Cross multiply
    176,324.10x = 243,327.26 × 100,872.60
  4. Step 4: Simplify right side
    176,324.10x = 24,545,052,862.71
  5. Step 5: Solve for x
    x = 24,545,052,862.71/176,324.10
  6. Step 6: Final answer
    x = 139,204.19

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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.