Home / 118,491.16-177,731.28-29,742.70

Finding the Fourth Proportional to 118,491.16, 177,731.28 and 29,742.70

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Solution

The fourth proportional to 118,491.16, 177,731.28 and 29,742.70 is: 44,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,491.16 : 177,731.28 = 29,742.70 : x
  2. Step 2: Convert to fraction form
    118,491.16/177,731.28 = 29,742.70/x
  3. Step 3: Cross multiply
    118,491.16x = 177,731.28 × 29,742.70
  4. Step 4: Simplify right side
    118,491.16x = 5,286,208,141.66
  5. Step 5: Solve for x
    x = 5,286,208,141.66/118,491.16
  6. Step 6: Final answer
    x = 44,612.68

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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.