Home / 168,385.52-232,291.86-100,363.34

Finding the Fourth Proportional to 168,385.52, 232,291.86 and 100,363.34

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Solution

The fourth proportional to 168,385.52, 232,291.86 and 100,363.34 is: 138,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,385.52 : 232,291.86 = 100,363.34 : x
  2. Step 2: Convert to fraction form
    168,385.52/232,291.86 = 100,363.34/x
  3. Step 3: Cross multiply
    168,385.52x = 232,291.86 × 100,363.34
  4. Step 4: Simplify right side
    168,385.52x = 23,313,586,924.41
  5. Step 5: Solve for x
    x = 23,313,586,924.41/168,385.52
  6. Step 6: Final answer
    x = 138,453.63

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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.