Home / 185,354.06-278,052.68-67,081.10

Finding the Fourth Proportional to 185,354.06, 278,052.68 and 67,081.10

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Solution

The fourth proportional to 185,354.06, 278,052.68 and 67,081.10 is: 100,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,354.06 : 278,052.68 = 67,081.10 : x
  2. Step 2: Convert to fraction form
    185,354.06/278,052.68 = 67,081.10/x
  3. Step 3: Cross multiply
    185,354.06x = 278,052.68 × 67,081.10
  4. Step 4: Simplify right side
    185,354.06x = 18,652,078,409.79
  5. Step 5: Solve for x
    x = 18,652,078,409.79/185,354.06
  6. Step 6: Final answer
    x = 100,629.46

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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.