Home / 202,488.98-279,433.68-111,851.18

Finding the Fourth Proportional to 202,488.98, 279,433.68 and 111,851.18

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Solution

The fourth proportional to 202,488.98, 279,433.68 and 111,851.18 is: 154,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,488.98 : 279,433.68 = 111,851.18 : x
  2. Step 2: Convert to fraction form
    202,488.98/279,433.68 = 111,851.18/x
  3. Step 3: Cross multiply
    202,488.98x = 279,433.68 × 111,851.18
  4. Step 4: Simplify right side
    202,488.98x = 31,254,986,839.74
  5. Step 5: Solve for x
    x = 31,254,986,839.74/202,488.98
  6. Step 6: Final answer
    x = 154,354.01

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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.