Home / 141,541.56-211,984.22-85,258.71

Finding the Fourth Proportional to 141,541.56, 211,984.22 and 85,258.71

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Solution

The fourth proportional to 141,541.56, 211,984.22 and 85,258.71 is: 127,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,541.56 : 211,984.22 = 85,258.71 : x
  2. Step 2: Convert to fraction form
    141,541.56/211,984.22 = 85,258.71/x
  3. Step 3: Cross multiply
    141,541.56x = 211,984.22 × 85,258.71
  4. Step 4: Simplify right side
    141,541.56x = 18,073,501,350.70
  5. Step 5: Solve for x
    x = 18,073,501,350.70/141,541.56
  6. Step 6: Final answer
    x = 127,690.42

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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.