Home / 118,084.79-177,161.69-38,120.88

Finding the Fourth Proportional to 118,084.79, 177,161.69 and 38,120.88

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Solution

The fourth proportional to 118,084.79, 177,161.69 and 38,120.88 is: 57,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,084.79 : 177,161.69 = 38,120.88 : x
  2. Step 2: Convert to fraction form
    118,084.79/177,161.69 = 38,120.88/x
  3. Step 3: Cross multiply
    118,084.79x = 177,161.69 × 38,120.88
  4. Step 4: Simplify right side
    118,084.79x = 6,753,559,620.39
  5. Step 5: Solve for x
    x = 6,753,559,620.39/118,084.79
  6. Step 6: Final answer
    x = 57,192.46

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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.