Home / 176,672.77-243,945.26-135,772.10

Finding the Fourth Proportional to 176,672.77, 243,945.26 and 135,772.10

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Solution

The fourth proportional to 176,672.77, 243,945.26 and 135,772.10 is: 187,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,672.77 : 243,945.26 = 135,772.10 : x
  2. Step 2: Convert to fraction form
    176,672.77/243,945.26 = 135,772.10/x
  3. Step 3: Cross multiply
    176,672.77x = 243,945.26 × 135,772.10
  4. Step 4: Simplify right side
    176,672.77x = 33,120,961,184.54
  5. Step 5: Solve for x
    x = 33,120,961,184.54/176,672.77
  6. Step 6: Final answer
    x = 187,470.66

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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.