Home / 269,209.98-403,931.61-144,405.18

Finding the Fourth Proportional to 269,209.98, 403,931.61 and 144,405.18

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Solution

The fourth proportional to 269,209.98, 403,931.61 and 144,405.18 is: 216,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,209.98 : 403,931.61 = 144,405.18 : x
  2. Step 2: Convert to fraction form
    269,209.98/403,931.61 = 144,405.18/x
  3. Step 3: Cross multiply
    269,209.98x = 403,931.61 × 144,405.18
  4. Step 4: Simplify right side
    269,209.98x = 58,329,816,849.74
  5. Step 5: Solve for x
    x = 58,329,816,849.74/269,209.98
  6. Step 6: Final answer
    x = 216,670.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.