Home / 185,606.43-278,444.27-85,700.62

Finding the Fourth Proportional to 185,606.43, 278,444.27 and 85,700.62

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Solution

The fourth proportional to 185,606.43, 278,444.27 and 85,700.62 is: 128,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,606.43 : 278,444.27 = 85,700.62 : x
  2. Step 2: Convert to fraction form
    185,606.43/278,444.27 = 85,700.62/x
  3. Step 3: Cross multiply
    185,606.43x = 278,444.27 × 85,700.62
  4. Step 4: Simplify right side
    185,606.43x = 23,862,846,145.94
  5. Step 5: Solve for x
    x = 23,862,846,145.94/185,606.43
  6. Step 6: Final answer
    x = 128,566.92

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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.