Home / 94,203.19-141,933.10-85,207.69

Finding the Fourth Proportional to 94,203.19, 141,933.10 and 85,207.69

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Solution

The fourth proportional to 94,203.19, 141,933.10 and 85,207.69 is: 128,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,203.19 : 141,933.10 = 85,207.69 : x
  2. Step 2: Convert to fraction form
    94,203.19/141,933.10 = 85,207.69/x
  3. Step 3: Cross multiply
    94,203.19x = 141,933.10 × 85,207.69
  4. Step 4: Simplify right side
    94,203.19x = 12,093,791,585.54
  5. Step 5: Solve for x
    x = 12,093,791,585.54/94,203.19
  6. Step 6: Final answer
    x = 128,379.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.