Home / 215,159.19-322,443.53-136,131.94

Finding the Fourth Proportional to 215,159.19, 322,443.53 and 136,131.94

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Solution

The fourth proportional to 215,159.19, 322,443.53 and 136,131.94 is: 204,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,159.19 : 322,443.53 = 136,131.94 : x
  2. Step 2: Convert to fraction form
    215,159.19/322,443.53 = 136,131.94/x
  3. Step 3: Cross multiply
    215,159.19x = 322,443.53 × 136,131.94
  4. Step 4: Simplify right side
    215,159.19x = 43,894,864,277.98
  5. Step 5: Solve for x
    x = 43,894,864,277.98/215,159.19
  6. Step 6: Final answer
    x = 204,011.11

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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.