Home / 185,622.08-278,433.12-45,379.04

Finding the Fourth Proportional to 185,622.08, 278,433.12 and 45,379.04

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Solution

The fourth proportional to 185,622.08, 278,433.12 and 45,379.04 is: 68,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,622.08 : 278,433.12 = 45,379.04 : x
  2. Step 2: Convert to fraction form
    185,622.08/278,433.12 = 45,379.04/x
  3. Step 3: Cross multiply
    185,622.08x = 278,433.12 × 45,379.04
  4. Step 4: Simplify right side
    185,622.08x = 12,635,027,689.80
  5. Step 5: Solve for x
    x = 12,635,027,689.80/185,622.08
  6. Step 6: Final answer
    x = 68,068.56

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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.