Home / 140,960.26-211,346.07-74,330.02

Finding the Fourth Proportional to 140,960.26, 211,346.07 and 74,330.02

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Solution

The fourth proportional to 140,960.26, 211,346.07 and 74,330.02 is: 111,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.26 : 211,346.07 = 74,330.02 : x
  2. Step 2: Convert to fraction form
    140,960.26/211,346.07 = 74,330.02/x
  3. Step 3: Cross multiply
    140,960.26x = 211,346.07 × 74,330.02
  4. Step 4: Simplify right side
    140,960.26x = 15,709,357,610.02
  5. Step 5: Solve for x
    x = 15,709,357,610.02/140,960.26
  6. Step 6: Final answer
    x = 111,445.29

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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.