Home / 282,238.38-423,422.16-122,341.08

Finding the Fourth Proportional to 282,238.38, 423,422.16 and 122,341.08

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Solution

The fourth proportional to 282,238.38, 423,422.16 and 122,341.08 is: 183,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,238.38 : 423,422.16 = 122,341.08 : x
  2. Step 2: Convert to fraction form
    282,238.38/423,422.16 = 122,341.08/x
  3. Step 3: Cross multiply
    282,238.38x = 423,422.16 × 122,341.08
  4. Step 4: Simplify right side
    282,238.38x = 51,801,924,350.33
  5. Step 5: Solve for x
    x = 51,801,924,350.33/282,238.38
  6. Step 6: Final answer
    x = 183,539.62

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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.