Home / 118,176.28-177,275.45-47,081.68

Finding the Fourth Proportional to 118,176.28, 177,275.45 and 47,081.68

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Solution

The fourth proportional to 118,176.28, 177,275.45 and 47,081.68 is: 70,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,176.28 : 177,275.45 = 47,081.68 : x
  2. Step 2: Convert to fraction form
    118,176.28/177,275.45 = 47,081.68/x
  3. Step 3: Cross multiply
    118,176.28x = 177,275.45 × 47,081.68
  4. Step 4: Simplify right side
    118,176.28x = 8,346,426,008.76
  5. Step 5: Solve for x
    x = 8,346,426,008.76/118,176.28
  6. Step 6: Final answer
    x = 70,626.91

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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.