Home / 122,642.56-183,930.88-33,875.20

Finding the Fourth Proportional to 122,642.56, 183,930.88 and 33,875.20

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Solution

The fourth proportional to 122,642.56, 183,930.88 and 33,875.20 is: 50,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,642.56 : 183,930.88 = 33,875.20 : x
  2. Step 2: Convert to fraction form
    122,642.56/183,930.88 = 33,875.20/x
  3. Step 3: Cross multiply
    122,642.56x = 183,930.88 × 33,875.20
  4. Step 4: Simplify right side
    122,642.56x = 6,230,695,346.18
  5. Step 5: Solve for x
    x = 6,230,695,346.18/122,642.56
  6. Step 6: Final answer
    x = 50,803.70

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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.