Home / 141,311.17-194,981.88-90,284.68

Finding the Fourth Proportional to 141,311.17, 194,981.88 and 90,284.68

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Solution

The fourth proportional to 141,311.17, 194,981.88 and 90,284.68 is: 124,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.17 : 194,981.88 = 90,284.68 : x
  2. Step 2: Convert to fraction form
    141,311.17/194,981.88 = 90,284.68/x
  3. Step 3: Cross multiply
    141,311.17x = 194,981.88 × 90,284.68
  4. Step 4: Simplify right side
    141,311.17x = 17,603,876,641.60
  5. Step 5: Solve for x
    x = 17,603,876,641.60/141,311.17
  6. Step 6: Final answer
    x = 124,575.27

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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.