Home / 272,907.12-409,278.06-95,381.04

Finding the Fourth Proportional to 272,907.12, 409,278.06 and 95,381.04

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Solution

The fourth proportional to 272,907.12, 409,278.06 and 95,381.04 is: 143,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,907.12 : 409,278.06 = 95,381.04 : x
  2. Step 2: Convert to fraction form
    272,907.12/409,278.06 = 95,381.04/x
  3. Step 3: Cross multiply
    272,907.12x = 409,278.06 × 95,381.04
  4. Step 4: Simplify right side
    272,907.12x = 39,037,367,011.98
  5. Step 5: Solve for x
    x = 39,037,367,011.98/272,907.12
  6. Step 6: Final answer
    x = 143,042.68

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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.