Home / 105,193.20-145,174.38-59,885.84

Finding the Fourth Proportional to 105,193.20, 145,174.38 and 59,885.84

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Solution

The fourth proportional to 105,193.20, 145,174.38 and 59,885.84 is: 82,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,193.20 : 145,174.38 = 59,885.84 : x
  2. Step 2: Convert to fraction form
    105,193.20/145,174.38 = 59,885.84/x
  3. Step 3: Cross multiply
    105,193.20x = 145,174.38 × 59,885.84
  4. Step 4: Simplify right side
    105,193.20x = 8,693,889,692.78
  5. Step 5: Solve for x
    x = 8,693,889,692.78/105,193.20
  6. Step 6: Final answer
    x = 82,646.88

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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.