Home / 193,261.40-289,748.10-99,834.20

Finding the Fourth Proportional to 193,261.40, 289,748.10 and 99,834.20

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Solution

The fourth proportional to 193,261.40, 289,748.10 and 99,834.20 is: 149,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,261.40 : 289,748.10 = 99,834.20 : x
  2. Step 2: Convert to fraction form
    193,261.40/289,748.10 = 99,834.20/x
  3. Step 3: Cross multiply
    193,261.40x = 289,748.10 × 99,834.20
  4. Step 4: Simplify right side
    193,261.40x = 28,926,769,765.02
  5. Step 5: Solve for x
    x = 28,926,769,765.02/193,261.40
  6. Step 6: Final answer
    x = 149,676.91

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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.