Home / 185,766.02-256,354.80-100,883.68

Finding the Fourth Proportional to 185,766.02, 256,354.80 and 100,883.68

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Solution

The fourth proportional to 185,766.02, 256,354.80 and 100,883.68 is: 139,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,766.02 : 256,354.80 = 100,883.68 : x
  2. Step 2: Convert to fraction form
    185,766.02/256,354.80 = 100,883.68/x
  3. Step 3: Cross multiply
    185,766.02x = 256,354.80 × 100,883.68
  4. Step 4: Simplify right side
    185,766.02x = 25,862,015,609.66
  5. Step 5: Solve for x
    x = 25,862,015,609.66/185,766.02
  6. Step 6: Final answer
    x = 139,218.23

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1.5x scale

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.