Home / 145,191.14-217,793.19-45,353.30

Finding the Fourth Proportional to 145,191.14, 217,793.19 and 45,353.30

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Solution

The fourth proportional to 145,191.14, 217,793.19 and 45,353.30 is: 68,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,191.14 : 217,793.19 = 45,353.30 : x
  2. Step 2: Convert to fraction form
    145,191.14/217,793.19 = 45,353.30/x
  3. Step 3: Cross multiply
    145,191.14x = 217,793.19 × 45,353.30
  4. Step 4: Simplify right side
    145,191.14x = 9,877,639,884.03
  5. Step 5: Solve for x
    x = 9,877,639,884.03/145,191.14
  6. Step 6: Final answer
    x = 68,031.97

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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.