Home / 177,621.12-266,424.36-98,685

Finding the Fourth Proportional to 177,621.12, 266,424.36 and 98,685

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Solution

The fourth proportional to 177,621.12, 266,424.36 and 98,685 is: 148,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.12 : 266,424.36 = 98,685 : x
  2. Step 2: Convert to fraction form
    177,621.12/266,424.36 = 98,685/x
  3. Step 3: Cross multiply
    177,621.12x = 266,424.36 × 98,685
  4. Step 4: Simplify right side
    177,621.12x = 26,292,087,966.60
  5. Step 5: Solve for x
    x = 26,292,087,966.60/177,621.12
  6. Step 6: Final answer
    x = 148,023.43

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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.