Home / 141,634.17-195,430.32-85,046.76

Finding the Fourth Proportional to 141,634.17, 195,430.32 and 85,046.76

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Solution

The fourth proportional to 141,634.17, 195,430.32 and 85,046.76 is: 117,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.17 : 195,430.32 = 85,046.76 : x
  2. Step 2: Convert to fraction form
    141,634.17/195,430.32 = 85,046.76/x
  3. Step 3: Cross multiply
    141,634.17x = 195,430.32 × 85,046.76
  4. Step 4: Simplify right side
    141,634.17x = 16,620,715,521.76
  5. Step 5: Solve for x
    x = 16,620,715,521.76/141,634.17
  6. Step 6: Final answer
    x = 117,349.62

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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.