Home / 243,627.66-336,204.63-136,197.18

Finding the Fourth Proportional to 243,627.66, 336,204.63 and 136,197.18

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Solution

The fourth proportional to 243,627.66, 336,204.63 and 136,197.18 is: 187,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,627.66 : 336,204.63 = 136,197.18 : x
  2. Step 2: Convert to fraction form
    243,627.66/336,204.63 = 136,197.18/x
  3. Step 3: Cross multiply
    243,627.66x = 336,204.63 × 136,197.18
  4. Step 4: Simplify right side
    243,627.66x = 45,790,122,508.94
  5. Step 5: Solve for x
    x = 45,790,122,508.94/243,627.66
  6. Step 6: Final answer
    x = 187,951.25

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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.