Home / 122,201.33-183,257.03-42,218.79

Finding the Fourth Proportional to 122,201.33, 183,257.03 and 42,218.79

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Solution

The fourth proportional to 122,201.33, 183,257.03 and 42,218.79 is: 63,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,201.33 : 183,257.03 = 42,218.79 : x
  2. Step 2: Convert to fraction form
    122,201.33/183,257.03 = 42,218.79/x
  3. Step 3: Cross multiply
    122,201.33x = 183,257.03 × 42,218.79
  4. Step 4: Simplify right side
    122,201.33x = 7,736,889,483.93
  5. Step 5: Solve for x
    x = 7,736,889,483.93/122,201.33
  6. Step 6: Final answer
    x = 63,312.65

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1.5x scale

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.