Home / 108,117.88-149,201.28-60,372.04

Finding the Fourth Proportional to 108,117.88, 149,201.28 and 60,372.04

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Solution

The fourth proportional to 108,117.88, 149,201.28 and 60,372.04 is: 83,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,117.88 : 149,201.28 = 60,372.04 : x
  2. Step 2: Convert to fraction form
    108,117.88/149,201.28 = 60,372.04/x
  3. Step 3: Cross multiply
    108,117.88x = 149,201.28 × 60,372.04
  4. Step 4: Simplify right side
    108,117.88x = 9,007,585,644.21
  5. Step 5: Solve for x
    x = 9,007,585,644.21/108,117.88
  6. Step 6: Final answer
    x = 83,312.64

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1.5x scale

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.