Home / 422,259.12-633,301.14-155,837.52

Finding the Fourth Proportional to 422,259.12, 633,301.14 and 155,837.52

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Solution

The fourth proportional to 422,259.12, 633,301.14 and 155,837.52 is: 233,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,259.12 : 633,301.14 = 155,837.52 : x
  2. Step 2: Convert to fraction form
    422,259.12/633,301.14 = 155,837.52/x
  3. Step 3: Cross multiply
    422,259.12x = 633,301.14 × 155,837.52
  4. Step 4: Simplify right side
    422,259.12x = 98,692,079,070.77
  5. Step 5: Solve for x
    x = 98,692,079,070.77/422,259.12
  6. Step 6: Final answer
    x = 233,723.97

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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.