Home / 168,187.03-232,154.34-100,225.31

Finding the Fourth Proportional to 168,187.03, 232,154.34 and 100,225.31

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Solution

The fourth proportional to 168,187.03, 232,154.34 and 100,225.31 is: 138,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,187.03 : 232,154.34 = 100,225.31 : x
  2. Step 2: Convert to fraction form
    168,187.03/232,154.34 = 100,225.31/x
  3. Step 3: Cross multiply
    168,187.03x = 232,154.34 × 100,225.31
  4. Step 4: Simplify right side
    168,187.03x = 23,267,741,815.49
  5. Step 5: Solve for x
    x = 23,267,741,815.49/168,187.03
  6. Step 6: Final answer
    x = 138,344.45

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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.