Home / 202,723.08-279,763.68-112,084.89

Finding the Fourth Proportional to 202,723.08, 279,763.68 and 112,084.89

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Solution

The fourth proportional to 202,723.08, 279,763.68 and 112,084.89 is: 154,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723.08 : 279,763.68 = 112,084.89 : x
  2. Step 2: Convert to fraction form
    202,723.08/279,763.68 = 112,084.89/x
  3. Step 3: Cross multiply
    202,723.08x = 279,763.68 × 112,084.89
  4. Step 4: Simplify right side
    202,723.08x = 31,357,281,719.11
  5. Step 5: Solve for x
    x = 31,357,281,719.11/202,723.08
  6. Step 6: Final answer
    x = 154,680.38

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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.