Home / 118,627.44-163,581.84-76,151.04

Finding the Fourth Proportional to 118,627.44, 163,581.84 and 76,151.04

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Solution

The fourth proportional to 118,627.44, 163,581.84 and 76,151.04 is: 105,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627.44 : 163,581.84 = 76,151.04 : x
  2. Step 2: Convert to fraction form
    118,627.44/163,581.84 = 76,151.04/x
  3. Step 3: Cross multiply
    118,627.44x = 163,581.84 × 76,151.04
  4. Step 4: Simplify right side
    118,627.44x = 12,456,927,241.11
  5. Step 5: Solve for x
    x = 12,456,927,241.11/118,627.44
  6. Step 6: Final answer
    x = 105,008.82

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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.