Home / 185,922.56-278,881.38-45,682.40

Finding the Fourth Proportional to 185,922.56, 278,881.38 and 45,682.40

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Solution

The fourth proportional to 185,922.56, 278,881.38 and 45,682.40 is: 68,523.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922.56 : 278,881.38 = 45,682.40 : x
  2. Step 2: Convert to fraction form
    185,922.56/278,881.38 = 45,682.40/x
  3. Step 3: Cross multiply
    185,922.56x = 278,881.38 × 45,682.40
  4. Step 4: Simplify right side
    185,922.56x = 12,739,970,753.71
  5. Step 5: Solve for x
    x = 12,739,970,753.71/185,922.56
  6. Step 6: Final answer
    x = 68,523.00

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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.