Home / 245,142.93-338,199.96-141,758.02

Finding the Fourth Proportional to 245,142.93, 338,199.96 and 141,758.02

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Solution

The fourth proportional to 245,142.93, 338,199.96 and 141,758.02 is: 195,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,142.93 : 338,199.96 = 141,758.02 : x
  2. Step 2: Convert to fraction form
    245,142.93/338,199.96 = 141,758.02/x
  3. Step 3: Cross multiply
    245,142.93x = 338,199.96 × 141,758.02
  4. Step 4: Simplify right side
    245,142.93x = 47,942,557,648.02
  5. Step 5: Solve for x
    x = 47,942,557,648.02/245,142.93
  6. Step 6: Final answer
    x = 195,569.82

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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.