Home / 118,230.90-163,159.10-64,517.02

Finding the Fourth Proportional to 118,230.90, 163,159.10 and 64,517.02

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Solution

The fourth proportional to 118,230.90, 163,159.10 and 64,517.02 is: 89,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.90 : 163,159.10 = 64,517.02 : x
  2. Step 2: Convert to fraction form
    118,230.90/163,159.10 = 64,517.02/x
  3. Step 3: Cross multiply
    118,230.90x = 163,159.10 × 64,517.02
  4. Step 4: Simplify right side
    118,230.90x = 10,526,538,917.88
  5. Step 5: Solve for x
    x = 10,526,538,917.88/118,230.90
  6. Step 6: Final answer
    x = 89,033.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.