Home / 122,271.66-183,408.22-55,665.21

Finding the Fourth Proportional to 122,271.66, 183,408.22 and 55,665.21

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Solution

The fourth proportional to 122,271.66, 183,408.22 and 55,665.21 is: 83,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.66 : 183,408.22 = 55,665.21 : x
  2. Step 2: Convert to fraction form
    122,271.66/183,408.22 = 55,665.21/x
  3. Step 3: Cross multiply
    122,271.66x = 183,408.22 × 55,665.21
  4. Step 4: Simplify right side
    122,271.66x = 10,209,457,839.39
  5. Step 5: Solve for x
    x = 10,209,457,839.39/122,271.66
  6. Step 6: Final answer
    x = 83,498.15

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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.