Home / 185,964.10-278,948.12-73,671.66

Finding the Fourth Proportional to 185,964.10, 278,948.12 and 73,671.66

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Solution

The fourth proportional to 185,964.10, 278,948.12 and 73,671.66 is: 110,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,964.10 : 278,948.12 = 73,671.66 : x
  2. Step 2: Convert to fraction form
    185,964.10/278,948.12 = 73,671.66/x
  3. Step 3: Cross multiply
    185,964.10x = 278,948.12 × 73,671.66
  4. Step 4: Simplify right side
    185,964.10x = 20,550,571,054.28
  5. Step 5: Solve for x
    x = 20,550,571,054.28/185,964.10
  6. Step 6: Final answer
    x = 110,508.27

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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.