Home / 232,031.54-320,204.13-131,429.54

Finding the Fourth Proportional to 232,031.54, 320,204.13 and 131,429.54

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Solution

The fourth proportional to 232,031.54, 320,204.13 and 131,429.54 is: 181,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,031.54 : 320,204.13 = 131,429.54 : x
  2. Step 2: Convert to fraction form
    232,031.54/320,204.13 = 131,429.54/x
  3. Step 3: Cross multiply
    232,031.54x = 320,204.13 × 131,429.54
  4. Step 4: Simplify right side
    232,031.54x = 42,084,281,512.00
  5. Step 5: Solve for x
    x = 42,084,281,512.00/232,031.54
  6. Step 6: Final answer
    x = 181,373.11

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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.