Home / 202,748.68-279,781.18-112,097.52

Finding the Fourth Proportional to 202,748.68, 279,781.18 and 112,097.52

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Solution

The fourth proportional to 202,748.68, 279,781.18 and 112,097.52 is: 154,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,748.68 : 279,781.18 = 112,097.52 : x
  2. Step 2: Convert to fraction form
    202,748.68/279,781.18 = 112,097.52/x
  3. Step 3: Cross multiply
    202,748.68x = 279,781.18 × 112,097.52
  4. Step 4: Simplify right side
    202,748.68x = 31,362,776,420.67
  5. Step 5: Solve for x
    x = 31,362,776,420.67/202,748.68
  6. Step 6: Final answer
    x = 154,687.94

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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.