Home / 141,123.90-194,753.19-77,467.50

Finding the Fourth Proportional to 141,123.90, 194,753.19 and 77,467.50

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Solution

The fourth proportional to 141,123.90, 194,753.19 and 77,467.50 is: 106,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,123.90 : 194,753.19 = 77,467.50 : x
  2. Step 2: Convert to fraction form
    141,123.90/194,753.19 = 77,467.50/x
  3. Step 3: Cross multiply
    141,123.90x = 194,753.19 × 77,467.50
  4. Step 4: Simplify right side
    141,123.90x = 15,087,042,746.33
  5. Step 5: Solve for x
    x = 15,087,042,746.33/141,123.90
  6. Step 6: Final answer
    x = 106,906.36

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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.