Home / 222,126.97-306,534.36-120,152.73

Finding the Fourth Proportional to 222,126.97, 306,534.36 and 120,152.73

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Solution

The fourth proportional to 222,126.97, 306,534.36 and 120,152.73 is: 165,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126.97 : 306,534.36 = 120,152.73 : x
  2. Step 2: Convert to fraction form
    222,126.97/306,534.36 = 120,152.73/x
  3. Step 3: Cross multiply
    222,126.97x = 306,534.36 × 120,152.73
  4. Step 4: Simplify right side
    222,126.97x = 36,830,939,592.04
  5. Step 5: Solve for x
    x = 36,830,939,592.04/222,126.97
  6. Step 6: Final answer
    x = 165,810.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.