Home / 185,823.60-256,426.92-100,940.52

Finding the Fourth Proportional to 185,823.60, 256,426.92 and 100,940.52

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Solution

The fourth proportional to 185,823.60, 256,426.92 and 100,940.52 is: 139,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,823.60 : 256,426.92 = 100,940.52 : x
  2. Step 2: Convert to fraction form
    185,823.60/256,426.92 = 100,940.52/x
  3. Step 3: Cross multiply
    185,823.60x = 256,426.92 × 100,940.52
  4. Step 4: Simplify right side
    185,823.60x = 25,883,866,646.80
  5. Step 5: Solve for x
    x = 25,883,866,646.80/185,823.60
  6. Step 6: Final answer
    x = 139,292.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.