Home / 212,761.83-319,143.78-63,004.95

Finding the Fourth Proportional to 212,761.83, 319,143.78 and 63,004.95

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Solution

The fourth proportional to 212,761.83, 319,143.78 and 63,004.95 is: 94,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,761.83 : 319,143.78 = 63,004.95 : x
  2. Step 2: Convert to fraction form
    212,761.83/319,143.78 = 63,004.95/x
  3. Step 3: Cross multiply
    212,761.83x = 319,143.78 × 63,004.95
  4. Step 4: Simplify right side
    212,761.83x = 20,107,637,901.71
  5. Step 5: Solve for x
    x = 20,107,637,901.71/212,761.83
  6. Step 6: Final answer
    x = 94,507.73

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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.