Home / 212,780.61-293,757.18-141,258.42

Finding the Fourth Proportional to 212,780.61, 293,757.18 and 141,258.42

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Solution

The fourth proportional to 212,780.61, 293,757.18 and 141,258.42 is: 195,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.61 : 293,757.18 = 141,258.42 : x
  2. Step 2: Convert to fraction form
    212,780.61/293,757.18 = 141,258.42/x
  3. Step 3: Cross multiply
    212,780.61x = 293,757.18 × 141,258.42
  4. Step 4: Simplify right side
    212,780.61x = 41,495,675,110.46
  5. Step 5: Solve for x
    x = 41,495,675,110.46/212,780.61
  6. Step 6: Final answer
    x = 195,016.24

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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.