Home / 142,924.42-214,366.80-100,100.14

Finding the Fourth Proportional to 142,924.42, 214,366.80 and 100,100.14

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Solution

The fourth proportional to 142,924.42, 214,366.80 and 100,100.14 is: 150,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.42 : 214,366.80 = 100,100.14 : x
  2. Step 2: Convert to fraction form
    142,924.42/214,366.80 = 100,100.14/x
  3. Step 3: Cross multiply
    142,924.42x = 214,366.80 × 100,100.14
  4. Step 4: Simplify right side
    142,924.42x = 21,458,146,691.35
  5. Step 5: Solve for x
    x = 21,458,146,691.35/142,924.42
  6. Step 6: Final answer
    x = 150,136.32

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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.