Home / 177,621.75-266,564.13-84,127.77

Finding the Fourth Proportional to 177,621.75, 266,564.13 and 84,127.77

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Solution

The fourth proportional to 177,621.75, 266,564.13 and 84,127.77 is: 126,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.75 : 266,564.13 = 84,127.77 : x
  2. Step 2: Convert to fraction form
    177,621.75/266,564.13 = 84,127.77/x
  3. Step 3: Cross multiply
    177,621.75x = 266,564.13 × 84,127.77
  4. Step 4: Simplify right side
    177,621.75x = 22,425,445,818.89
  5. Step 5: Solve for x
    x = 22,425,445,818.89/177,621.75
  6. Step 6: Final answer
    x = 126,253.94

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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.