Home / 185,925.52-278,838.24-80,719.84

Finding the Fourth Proportional to 185,925.52, 278,838.24 and 80,719.84

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Solution

The fourth proportional to 185,925.52, 278,838.24 and 80,719.84 is: 121,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,925.52 : 278,838.24 = 80,719.84 : x
  2. Step 2: Convert to fraction form
    185,925.52/278,838.24 = 80,719.84/x
  3. Step 3: Cross multiply
    185,925.52x = 278,838.24 × 80,719.84
  4. Step 4: Simplify right side
    185,925.52x = 22,507,778,118.68
  5. Step 5: Solve for x
    x = 22,507,778,118.68/185,925.52
  6. Step 6: Final answer
    x = 121,058.04

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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.