Home / 130,958.51-196,442.63-42,213.29

Finding the Fourth Proportional to 130,958.51, 196,442.63 and 42,213.29

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Solution

The fourth proportional to 130,958.51, 196,442.63 and 42,213.29 is: 63,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,958.51 : 196,442.63 = 42,213.29 : x
  2. Step 2: Convert to fraction form
    130,958.51/196,442.63 = 42,213.29/x
  3. Step 3: Cross multiply
    130,958.51x = 196,442.63 × 42,213.29
  4. Step 4: Simplify right side
    130,958.51x = 8,292,488,515.27
  5. Step 5: Solve for x
    x = 8,292,488,515.27/130,958.51
  6. Step 6: Final answer
    x = 63,321.50

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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.