Home / 202,359.16-279,248.30-111,713.17

Finding the Fourth Proportional to 202,359.16, 279,248.30 and 111,713.17

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Solution

The fourth proportional to 202,359.16, 279,248.30 and 111,713.17 is: 154,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,359.16 : 279,248.30 = 111,713.17 : x
  2. Step 2: Convert to fraction form
    202,359.16/279,248.30 = 111,713.17/x
  3. Step 3: Cross multiply
    202,359.16x = 279,248.30 × 111,713.17
  4. Step 4: Simplify right side
    202,359.16x = 31,195,712,810.11
  5. Step 5: Solve for x
    x = 31,195,712,810.11/202,359.16
  6. Step 6: Final answer
    x = 154,160.12

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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.