Home / 124,006.14-171,065.38-81,010.80

Finding the Fourth Proportional to 124,006.14, 171,065.38 and 81,010.80

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Solution

The fourth proportional to 124,006.14, 171,065.38 and 81,010.80 is: 111,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.14 : 171,065.38 = 81,010.80 : x
  2. Step 2: Convert to fraction form
    124,006.14/171,065.38 = 81,010.80/x
  3. Step 3: Cross multiply
    124,006.14x = 171,065.38 × 81,010.80
  4. Step 4: Simplify right side
    124,006.14x = 13,858,142,025.72
  5. Step 5: Solve for x
    x = 13,858,142,025.72/124,006.14
  6. Step 6: Final answer
    x = 111,753.68

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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.