Home / 168,184.83-232,151.31-100,223.12

Finding the Fourth Proportional to 168,184.83, 232,151.31 and 100,223.12

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Solution

The fourth proportional to 168,184.83, 232,151.31 and 100,223.12 is: 138,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,184.83 : 232,151.31 = 100,223.12 : x
  2. Step 2: Convert to fraction form
    168,184.83/232,151.31 = 100,223.12/x
  3. Step 3: Cross multiply
    168,184.83x = 232,151.31 × 100,223.12
  4. Step 4: Simplify right side
    168,184.83x = 23,266,929,180.67
  5. Step 5: Solve for x
    x = 23,266,929,180.67/168,184.83
  6. Step 6: Final answer
    x = 138,341.43

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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.