Home / 185,973.02-278,789.43-80,754.02

Finding the Fourth Proportional to 185,973.02, 278,789.43 and 80,754.02

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Solution

The fourth proportional to 185,973.02, 278,789.43 and 80,754.02 is: 121,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,973.02 : 278,789.43 = 80,754.02 : x
  2. Step 2: Convert to fraction form
    185,973.02/278,789.43 = 80,754.02/x
  3. Step 3: Cross multiply
    185,973.02x = 278,789.43 × 80,754.02
  4. Step 4: Simplify right side
    185,973.02x = 22,513,367,206.01
  5. Step 5: Solve for x
    x = 22,513,367,206.01/185,973.02
  6. Step 6: Final answer
    x = 121,057.17

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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.