Home / 215,432.48-296,647.56-202,807.82

Finding the Fourth Proportional to 215,432.48, 296,647.56 and 202,807.82

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Solution

The fourth proportional to 215,432.48, 296,647.56 and 202,807.82 is: 279,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,432.48 : 296,647.56 = 202,807.82 : x
  2. Step 2: Convert to fraction form
    215,432.48/296,647.56 = 202,807.82/x
  3. Step 3: Cross multiply
    215,432.48x = 296,647.56 × 202,807.82
  4. Step 4: Simplify right side
    215,432.48x = 60,162,444,951.92
  5. Step 5: Solve for x
    x = 60,162,444,951.92/215,432.48
  6. Step 6: Final answer
    x = 279,263.58

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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.