Home / 185,824.12-278,737.32-45,582.64

Finding the Fourth Proportional to 185,824.12, 278,737.32 and 45,582.64

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Solution

The fourth proportional to 185,824.12, 278,737.32 and 45,582.64 is: 68,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,824.12 : 278,737.32 = 45,582.64 : x
  2. Step 2: Convert to fraction form
    185,824.12/278,737.32 = 45,582.64/x
  3. Step 3: Cross multiply
    185,824.12x = 278,737.32 × 45,582.64
  4. Step 4: Simplify right side
    185,824.12x = 12,705,582,912.12
  5. Step 5: Solve for x
    x = 12,705,582,912.12/185,824.12
  6. Step 6: Final answer
    x = 68,374.24

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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.