Home / 122,631.48-183,908.34-52,491.96

Finding the Fourth Proportional to 122,631.48, 183,908.34 and 52,491.96

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Solution

The fourth proportional to 122,631.48, 183,908.34 and 52,491.96 is: 78,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,631.48 : 183,908.34 = 52,491.96 : x
  2. Step 2: Convert to fraction form
    122,631.48/183,908.34 = 52,491.96/x
  3. Step 3: Cross multiply
    122,631.48x = 183,908.34 × 52,491.96
  4. Step 4: Simplify right side
    122,631.48x = 9,653,709,226.95
  5. Step 5: Solve for x
    x = 9,653,709,226.95/122,631.48
  6. Step 6: Final answer
    x = 78,721.30

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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.