Home / 122,461.91-183,763.82-51,378.26

Finding the Fourth Proportional to 122,461.91, 183,763.82 and 51,378.26

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Solution

The fourth proportional to 122,461.91, 183,763.82 and 51,378.26 is: 77,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,461.91 : 183,763.82 = 51,378.26 : x
  2. Step 2: Convert to fraction form
    122,461.91/183,763.82 = 51,378.26/x
  3. Step 3: Cross multiply
    122,461.91x = 183,763.82 × 51,378.26
  4. Step 4: Simplify right side
    122,461.91x = 9,441,465,322.55
  5. Step 5: Solve for x
    x = 9,441,465,322.55/122,461.91
  6. Step 6: Final answer
    x = 77,097.16

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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.