Home / 212,781.12-293,757.86-141,258.92

Finding the Fourth Proportional to 212,781.12, 293,757.86 and 141,258.92

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Solution

The fourth proportional to 212,781.12, 293,757.86 and 141,258.92 is: 195,016.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,781.12 : 293,757.86 = 141,258.92 : x
  2. Step 2: Convert to fraction form
    212,781.12/293,757.86 = 141,258.92/x
  3. Step 3: Cross multiply
    212,781.12x = 293,757.86 × 141,258.92
  4. Step 4: Simplify right side
    212,781.12x = 41,495,918,045.11
  5. Step 5: Solve for x
    x = 41,495,918,045.11/212,781.12
  6. Step 6: Final answer
    x = 195,016.92

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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.