Home / 185,701.46-256,268.02-100,818.53

Finding the Fourth Proportional to 185,701.46, 256,268.02 and 100,818.53

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Solution

The fourth proportional to 185,701.46, 256,268.02 and 100,818.53 is: 139,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.46 : 256,268.02 = 100,818.53 : x
  2. Step 2: Convert to fraction form
    185,701.46/256,268.02 = 100,818.53/x
  3. Step 3: Cross multiply
    185,701.46x = 256,268.02 × 100,818.53
  4. Step 4: Simplify right side
    185,701.46x = 25,836,565,062.41
  5. Step 5: Solve for x
    x = 25,836,565,062.41/185,701.46
  6. Step 6: Final answer
    x = 139,129.57

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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.