Home / 168,108.16-231,988.56-92,656.64

Finding the Fourth Proportional to 168,108.16, 231,988.56 and 92,656.64

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Solution

The fourth proportional to 168,108.16, 231,988.56 and 92,656.64 is: 127,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,108.16 : 231,988.56 = 92,656.64 : x
  2. Step 2: Convert to fraction form
    168,108.16/231,988.56 = 92,656.64/x
  3. Step 3: Cross multiply
    168,108.16x = 231,988.56 × 92,656.64
  4. Step 4: Simplify right side
    168,108.16x = 21,495,280,488.04
  5. Step 5: Solve for x
    x = 21,495,280,488.04/168,108.16
  6. Step 6: Final answer
    x = 127,865.78

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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.