Home / 111,018.83-153,207.20-60,716.75

Finding the Fourth Proportional to 111,018.83, 153,207.20 and 60,716.75

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Solution

The fourth proportional to 111,018.83, 153,207.20 and 60,716.75 is: 83,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.83 : 153,207.20 = 60,716.75 : x
  2. Step 2: Convert to fraction form
    111,018.83/153,207.20 = 60,716.75/x
  3. Step 3: Cross multiply
    111,018.83x = 153,207.20 × 60,716.75
  4. Step 4: Simplify right side
    111,018.83x = 9,302,243,260.60
  5. Step 5: Solve for x
    x = 9,302,243,260.60/111,018.83
  6. Step 6: Final answer
    x = 83,789.78

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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.