Home / 142,922.42-214,363.80-100,098.14

Finding the Fourth Proportional to 142,922.42, 214,363.80 and 100,098.14

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Solution

The fourth proportional to 142,922.42, 214,363.80 and 100,098.14 is: 150,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,922.42 : 214,363.80 = 100,098.14 : x
  2. Step 2: Convert to fraction form
    142,922.42/214,363.80 = 100,098.14/x
  3. Step 3: Cross multiply
    142,922.42x = 214,363.80 × 100,098.14
  4. Step 4: Simplify right side
    142,922.42x = 21,457,417,663.33
  5. Step 5: Solve for x
    x = 21,457,417,663.33/142,922.42
  6. Step 6: Final answer
    x = 150,133.32

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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.