Home / 215,008.80-322,359.60-96,583.20

Finding the Fourth Proportional to 215,008.80, 322,359.60 and 96,583.20

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Solution

The fourth proportional to 215,008.80, 322,359.60 and 96,583.20 is: 144,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,008.80 : 322,359.60 = 96,583.20 : x
  2. Step 2: Convert to fraction form
    215,008.80/322,359.60 = 96,583.20/x
  3. Step 3: Cross multiply
    215,008.80x = 322,359.60 × 96,583.20
  4. Step 4: Simplify right side
    215,008.80x = 31,134,521,718.72
  5. Step 5: Solve for x
    x = 31,134,521,718.72/215,008.80
  6. Step 6: Final answer
    x = 144,805.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.