Home / 176,356.10-243,441.21-122,672.27

Finding the Fourth Proportional to 176,356.10, 243,441.21 and 122,672.27

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Solution

The fourth proportional to 176,356.10, 243,441.21 and 122,672.27 is: 169,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,356.10 : 243,441.21 = 122,672.27 : x
  2. Step 2: Convert to fraction form
    176,356.10/243,441.21 = 122,672.27/x
  3. Step 3: Cross multiply
    176,356.10x = 243,441.21 × 122,672.27
  4. Step 4: Simplify right side
    176,356.10x = 29,863,486,910.87
  5. Step 5: Solve for x
    x = 29,863,486,910.87/176,356.10
  6. Step 6: Final answer
    x = 169,336.28

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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.