Home / 232,519.19-320,865.98-130,542.77

Finding the Fourth Proportional to 232,519.19, 320,865.98 and 130,542.77

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Solution

The fourth proportional to 232,519.19, 320,865.98 and 130,542.77 is: 180,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,519.19 : 320,865.98 = 130,542.77 : x
  2. Step 2: Convert to fraction form
    232,519.19/320,865.98 = 130,542.77/x
  3. Step 3: Cross multiply
    232,519.19x = 320,865.98 × 130,542.77
  4. Step 4: Simplify right side
    232,519.19x = 41,886,733,977.42
  5. Step 5: Solve for x
    x = 41,886,733,977.42/232,519.19
  6. Step 6: Final answer
    x = 180,143.13

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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.