Home / 401,921.75-602,895.38-202,132.92

Finding the Fourth Proportional to 401,921.75, 602,895.38 and 202,132.92

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Solution

The fourth proportional to 401,921.75, 602,895.38 and 202,132.92 is: 303,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,921.75 : 602,895.38 = 202,132.92 : x
  2. Step 2: Convert to fraction form
    401,921.75/602,895.38 = 202,132.92/x
  3. Step 3: Cross multiply
    401,921.75x = 602,895.38 × 202,132.92
  4. Step 4: Simplify right side
    401,921.75x = 121,865,003,613.91
  5. Step 5: Solve for x
    x = 121,865,003,613.91/401,921.75
  6. Step 6: Final answer
    x = 303,205.79

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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.