Home / 185,669.62-278,543.00-84,419.42

Finding the Fourth Proportional to 185,669.62, 278,543.00 and 84,419.42

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Solution

The fourth proportional to 185,669.62, 278,543.00 and 84,419.42 is: 126,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,669.62 : 278,543.00 = 84,419.42 : x
  2. Step 2: Convert to fraction form
    185,669.62/278,543.00 = 84,419.42/x
  3. Step 3: Cross multiply
    185,669.62x = 278,543.00 × 84,419.42
  4. Step 4: Simplify right side
    185,669.62x = 23,514,437,323.39
  5. Step 5: Solve for x
    x = 23,514,437,323.39/185,669.62
  6. Step 6: Final answer
    x = 126,646.66

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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.