Home / 236,255.13-354,437.03-74,140.20

Finding the Fourth Proportional to 236,255.13, 354,437.03 and 74,140.20

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Solution

The fourth proportional to 236,255.13, 354,437.03 and 74,140.20 is: 111,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,255.13 : 354,437.03 = 74,140.20 : x
  2. Step 2: Convert to fraction form
    236,255.13/354,437.03 = 74,140.20/x
  3. Step 3: Cross multiply
    236,255.13x = 354,437.03 × 74,140.20
  4. Step 4: Simplify right side
    236,255.13x = 26,278,030,148.72
  5. Step 5: Solve for x
    x = 26,278,030,148.72/236,255.13
  6. Step 6: Final answer
    x = 111,227.34

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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.