Home / 118,355.16-177,534.36-34,116.78

Finding the Fourth Proportional to 118,355.16, 177,534.36 and 34,116.78

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Solution

The fourth proportional to 118,355.16, 177,534.36 and 34,116.78 is: 51,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355.16 : 177,534.36 = 34,116.78 : x
  2. Step 2: Convert to fraction form
    118,355.16/177,534.36 = 34,116.78/x
  3. Step 3: Cross multiply
    118,355.16x = 177,534.36 × 34,116.78
  4. Step 4: Simplify right side
    118,355.16x = 6,056,900,702.56
  5. Step 5: Solve for x
    x = 6,056,900,702.56/118,355.16
  6. Step 6: Final answer
    x = 51,175.64

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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.