Home / 278,434.38-384,172.88-169,537.44

Finding the Fourth Proportional to 278,434.38, 384,172.88 and 169,537.44

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Solution

The fourth proportional to 278,434.38, 384,172.88 and 169,537.44 is: 233,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,434.38 : 384,172.88 = 169,537.44 : x
  2. Step 2: Convert to fraction form
    278,434.38/384,172.88 = 169,537.44/x
  3. Step 3: Cross multiply
    278,434.38x = 384,172.88 × 169,537.44
  4. Step 4: Simplify right side
    278,434.38x = 65,131,686,592.63
  5. Step 5: Solve for x
    x = 65,131,686,592.63/278,434.38
  6. Step 6: Final answer
    x = 233,921.14

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1.5x scale

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.