Home / 154,016.45-231,098.11-83,894.21

Finding the Fourth Proportional to 154,016.45, 231,098.11 and 83,894.21

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Solution

The fourth proportional to 154,016.45, 231,098.11 and 83,894.21 is: 125,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,016.45 : 231,098.11 = 83,894.21 : x
  2. Step 2: Convert to fraction form
    154,016.45/231,098.11 = 83,894.21/x
  3. Step 3: Cross multiply
    154,016.45x = 231,098.11 × 83,894.21
  4. Step 4: Simplify right side
    154,016.45x = 19,387,793,370.94
  5. Step 5: Solve for x
    x = 19,387,793,370.94/154,016.45
  6. Step 6: Final answer
    x = 125,881.32

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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.