Home / 118,111.84-177,129.25-39,204.88

Finding the Fourth Proportional to 118,111.84, 177,129.25 and 39,204.88

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Solution

The fourth proportional to 118,111.84, 177,129.25 and 39,204.88 is: 58,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,111.84 : 177,129.25 = 39,204.88 : x
  2. Step 2: Convert to fraction form
    118,111.84/177,129.25 = 39,204.88/x
  3. Step 3: Cross multiply
    118,111.84x = 177,129.25 × 39,204.88
  4. Step 4: Simplify right side
    118,111.84x = 6,944,330,449.90
  5. Step 5: Solve for x
    x = 6,944,330,449.90/118,111.84
  6. Step 6: Final answer
    x = 58,794.53

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1.5x scale

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.