Home / 141,677.70-195,508.90-81,204.98

Finding the Fourth Proportional to 141,677.70, 195,508.90 and 81,204.98

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Solution

The fourth proportional to 141,677.70, 195,508.90 and 81,204.98 is: 112,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,677.70 : 195,508.90 = 81,204.98 : x
  2. Step 2: Convert to fraction form
    141,677.70/195,508.90 = 81,204.98/x
  3. Step 3: Cross multiply
    141,677.70x = 195,508.90 × 81,204.98
  4. Step 4: Simplify right side
    141,677.70x = 15,876,296,314.32
  5. Step 5: Solve for x
    x = 15,876,296,314.32/141,677.70
  6. Step 6: Final answer
    x = 112,059.25

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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.