Home / 148,100.40-222,185.16-42,921.36

Finding the Fourth Proportional to 148,100.40, 222,185.16 and 42,921.36

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Solution

The fourth proportional to 148,100.40, 222,185.16 and 42,921.36 is: 64,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,100.40 : 222,185.16 = 42,921.36 : x
  2. Step 2: Convert to fraction form
    148,100.40/222,185.16 = 42,921.36/x
  3. Step 3: Cross multiply
    148,100.40x = 222,185.16 × 42,921.36
  4. Step 4: Simplify right side
    148,100.40x = 9,536,489,239.02
  5. Step 5: Solve for x
    x = 9,536,489,239.02/148,100.40
  6. Step 6: Final answer
    x = 64,392.06

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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.