Home / 196,292.72-270,892.26-111,417.68

Finding the Fourth Proportional to 196,292.72, 270,892.26 and 111,417.68

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Solution

The fourth proportional to 196,292.72, 270,892.26 and 111,417.68 is: 153,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,292.72 : 270,892.26 = 111,417.68 : x
  2. Step 2: Convert to fraction form
    196,292.72/270,892.26 = 111,417.68/x
  3. Step 3: Cross multiply
    196,292.72x = 270,892.26 × 111,417.68
  4. Step 4: Simplify right side
    196,292.72x = 30,182,187,139.16
  5. Step 5: Solve for x
    x = 30,182,187,139.16/196,292.72
  6. Step 6: Final answer
    x = 153,761.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.