Home / 202,359.04-279,248.13-111,713.05

Finding the Fourth Proportional to 202,359.04, 279,248.13 and 111,713.05

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Solution

The fourth proportional to 202,359.04, 279,248.13 and 111,713.05 is: 154,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,359.04 : 279,248.13 = 111,713.05 : x
  2. Step 2: Convert to fraction form
    202,359.04/279,248.13 = 111,713.05/x
  3. Step 3: Cross multiply
    202,359.04x = 279,248.13 × 111,713.05
  4. Step 4: Simplify right side
    202,359.04x = 31,195,658,912.86
  5. Step 5: Solve for x
    x = 31,195,658,912.86/202,359.04
  6. Step 6: Final answer
    x = 154,159.95

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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.