Home / 154,354.17-231,630.09-83,326.26

Finding the Fourth Proportional to 154,354.17, 231,630.09 and 83,326.26

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Solution

The fourth proportional to 154,354.17, 231,630.09 and 83,326.26 is: 125,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,354.17 : 231,630.09 = 83,326.26 : x
  2. Step 2: Convert to fraction form
    154,354.17/231,630.09 = 83,326.26/x
  3. Step 3: Cross multiply
    154,354.17x = 231,630.09 × 83,326.26
  4. Step 4: Simplify right side
    154,354.17x = 19,300,869,103.16
  5. Step 5: Solve for x
    x = 19,300,869,103.16/154,354.17
  6. Step 6: Final answer
    x = 125,042.74

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1.5x scale

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.