Home / 193,123.60-289,714.20-68,454.80

Finding the Fourth Proportional to 193,123.60, 289,714.20 and 68,454.80

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Solution

The fourth proportional to 193,123.60, 289,714.20 and 68,454.80 is: 102,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,123.60 : 289,714.20 = 68,454.80 : x
  2. Step 2: Convert to fraction form
    193,123.60/289,714.20 = 68,454.80/x
  3. Step 3: Cross multiply
    193,123.60x = 289,714.20 × 68,454.80
  4. Step 4: Simplify right side
    193,123.60x = 19,832,327,618.16
  5. Step 5: Solve for x
    x = 19,832,327,618.16/193,123.60
  6. Step 6: Final answer
    x = 102,692.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.