Home / 196,238.94-270,818.07-111,363.90

Finding the Fourth Proportional to 196,238.94, 270,818.07 and 111,363.90

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Solution

The fourth proportional to 196,238.94, 270,818.07 and 111,363.90 is: 153,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238.94 : 270,818.07 = 111,363.90 : x
  2. Step 2: Convert to fraction form
    196,238.94/270,818.07 = 111,363.90/x
  3. Step 3: Cross multiply
    196,238.94x = 270,818.07 × 111,363.90
  4. Step 4: Simplify right side
    196,238.94x = 30,159,356,465.67
  5. Step 5: Solve for x
    x = 30,159,356,465.67/196,238.94
  6. Step 6: Final answer
    x = 153,686.91

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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.