Home / 219,849.52-303,546-194,159.20

Finding the Fourth Proportional to 219,849.52, 303,546 and 194,159.20

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Solution

The fourth proportional to 219,849.52, 303,546 and 194,159.20 is: 268,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,849.52 : 303,546 = 194,159.20 : x
  2. Step 2: Convert to fraction form
    219,849.52/303,546 = 194,159.20/x
  3. Step 3: Cross multiply
    219,849.52x = 303,546 × 194,159.20
  4. Step 4: Simplify right side
    219,849.52x = 58,936,248,523.20
  5. Step 5: Solve for x
    x = 58,936,248,523.20/219,849.52
  6. Step 6: Final answer
    x = 268,075.40

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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.