Home / 401,032.57-553,388.14-231,233.89

Finding the Fourth Proportional to 401,032.57, 553,388.14 and 231,233.89

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Solution

The fourth proportional to 401,032.57, 553,388.14 and 231,233.89 is: 319,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,032.57 : 553,388.14 = 231,233.89 : x
  2. Step 2: Convert to fraction form
    401,032.57/553,388.14 = 231,233.89/x
  3. Step 3: Cross multiply
    401,032.57x = 553,388.14 × 231,233.89
  4. Step 4: Simplify right side
    401,032.57x = 127,962,092,292.07
  5. Step 5: Solve for x
    x = 127,962,092,292.07/401,032.57
  6. Step 6: Final answer
    x = 319,081.55

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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.