Home / 232,561.30-320,930.50-130,587.57

Finding the Fourth Proportional to 232,561.30, 320,930.50 and 130,587.57

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Solution

The fourth proportional to 232,561.30, 320,930.50 and 130,587.57 is: 180,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,561.30 : 320,930.50 = 130,587.57 : x
  2. Step 2: Convert to fraction form
    232,561.30/320,930.50 = 130,587.57/x
  3. Step 3: Cross multiply
    232,561.30x = 320,930.50 × 130,587.57
  4. Step 4: Simplify right side
    232,561.30x = 41,909,534,133.89
  5. Step 5: Solve for x
    x = 41,909,534,133.89/232,561.30
  6. Step 6: Final answer
    x = 180,208.55

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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.