Home / 185,614.36-278,421.54-45,372.76

Finding the Fourth Proportional to 185,614.36, 278,421.54 and 45,372.76

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Solution

The fourth proportional to 185,614.36, 278,421.54 and 45,372.76 is: 68,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,614.36 : 278,421.54 = 45,372.76 : x
  2. Step 2: Convert to fraction form
    185,614.36/278,421.54 = 45,372.76/x
  3. Step 3: Cross multiply
    185,614.36x = 278,421.54 × 45,372.76
  4. Step 4: Simplify right side
    185,614.36x = 12,632,753,713.25
  5. Step 5: Solve for x
    x = 12,632,753,713.25/185,614.36
  6. Step 6: Final answer
    x = 68,059.14

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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.