Home / 177,955.10-266,543.85-138,200.30

Finding the Fourth Proportional to 177,955.10, 266,543.85 and 138,200.30

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Solution

The fourth proportional to 177,955.10, 266,543.85 and 138,200.30 is: 206,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,955.10 : 266,543.85 = 138,200.30 : x
  2. Step 2: Convert to fraction form
    177,955.10/266,543.85 = 138,200.30/x
  3. Step 3: Cross multiply
    177,955.10x = 266,543.85 × 138,200.30
  4. Step 4: Simplify right side
    177,955.10x = 36,836,440,033.16
  5. Step 5: Solve for x
    x = 36,836,440,033.16/177,955.10
  6. Step 6: Final answer
    x = 206,998.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.