Home / 185,790.12-278,685.96-45,548.70

Finding the Fourth Proportional to 185,790.12, 278,685.96 and 45,548.70

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Solution

The fourth proportional to 185,790.12, 278,685.96 and 45,548.70 is: 68,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,790.12 : 278,685.96 = 45,548.70 : x
  2. Step 2: Convert to fraction form
    185,790.12/278,685.96 = 45,548.70/x
  3. Step 3: Cross multiply
    185,790.12x = 278,685.96 × 45,548.70
  4. Step 4: Simplify right side
    185,790.12x = 12,693,783,186.25
  5. Step 5: Solve for x
    x = 12,693,783,186.25/185,790.12
  6. Step 6: Final answer
    x = 68,323.24

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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.