Home / 151,610.58-209,226.78-83,632.14

Finding the Fourth Proportional to 151,610.58, 209,226.78 and 83,632.14

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Solution

The fourth proportional to 151,610.58, 209,226.78 and 83,632.14 is: 115,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,610.58 : 209,226.78 = 83,632.14 : x
  2. Step 2: Convert to fraction form
    151,610.58/209,226.78 = 83,632.14/x
  3. Step 3: Cross multiply
    151,610.58x = 209,226.78 × 83,632.14
  4. Step 4: Simplify right side
    151,610.58x = 17,498,083,356.71
  5. Step 5: Solve for x
    x = 17,498,083,356.71/151,610.58
  6. Step 6: Final answer
    x = 115,414.66

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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.