Home / 185,143.02-277,743.69-66,843.42

Finding the Fourth Proportional to 185,143.02, 277,743.69 and 66,843.42

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Solution

The fourth proportional to 185,143.02, 277,743.69 and 66,843.42 is: 100,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,143.02 : 277,743.69 = 66,843.42 : x
  2. Step 2: Convert to fraction form
    185,143.02/277,743.69 = 66,843.42/x
  3. Step 3: Cross multiply
    185,143.02x = 277,743.69 × 66,843.42
  4. Step 4: Simplify right side
    185,143.02x = 18,565,338,123.02
  5. Step 5: Solve for x
    x = 18,565,338,123.02/185,143.02
  6. Step 6: Final answer
    x = 100,275.66

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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.