Home / 180,648.32-271,140.56-91,968.16

Finding the Fourth Proportional to 180,648.32, 271,140.56 and 91,968.16

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Solution

The fourth proportional to 180,648.32, 271,140.56 and 91,968.16 is: 138,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,648.32 : 271,140.56 = 91,968.16 : x
  2. Step 2: Convert to fraction form
    180,648.32/271,140.56 = 91,968.16/x
  3. Step 3: Cross multiply
    180,648.32x = 271,140.56 × 91,968.16
  4. Step 4: Simplify right side
    180,648.32x = 24,936,298,404.57
  5. Step 5: Solve for x
    x = 24,936,298,404.57/180,648.32
  6. Step 6: Final answer
    x = 138,037.81

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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.