Home / 185,651.02-256,191.56-100,766.26

Finding the Fourth Proportional to 185,651.02, 256,191.56 and 100,766.26

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Solution

The fourth proportional to 185,651.02, 256,191.56 and 100,766.26 is: 139,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,651.02 : 256,191.56 = 100,766.26 : x
  2. Step 2: Convert to fraction form
    185,651.02/256,191.56 = 100,766.26/x
  3. Step 3: Cross multiply
    185,651.02x = 256,191.56 × 100,766.26
  4. Step 4: Simplify right side
    185,651.02x = 25,815,465,344.77
  5. Step 5: Solve for x
    x = 25,815,465,344.77/185,651.02
  6. Step 6: Final answer
    x = 139,053.72

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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.