Home / 118,074.35-177,145.91-38,110.61

Finding the Fourth Proportional to 118,074.35, 177,145.91 and 38,110.61

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Solution

The fourth proportional to 118,074.35, 177,145.91 and 38,110.61 is: 57,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,074.35 : 177,145.91 = 38,110.61 : x
  2. Step 2: Convert to fraction form
    118,074.35/177,145.91 = 38,110.61/x
  3. Step 3: Cross multiply
    118,074.35x = 177,145.91 × 38,110.61
  4. Step 4: Simplify right side
    118,074.35x = 6,751,138,689.11
  5. Step 5: Solve for x
    x = 6,751,138,689.11/118,074.35
  6. Step 6: Final answer
    x = 57,177.01

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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.