Home / 278,680.32-384,738.30-183,463.80

Finding the Fourth Proportional to 278,680.32, 384,738.30 and 183,463.80

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Solution

The fourth proportional to 278,680.32, 384,738.30 and 183,463.80 is: 253,285.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,680.32 : 384,738.30 = 183,463.80 : x
  2. Step 2: Convert to fraction form
    278,680.32/384,738.30 = 183,463.80/x
  3. Step 3: Cross multiply
    278,680.32x = 384,738.30 × 183,463.80
  4. Step 4: Simplify right side
    278,680.32x = 70,585,550,523.54
  5. Step 5: Solve for x
    x = 70,585,550,523.54/278,680.32
  6. Step 6: Final answer
    x = 253,285.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.