Home / 142,775.49-214,163.73-36,159.42

Finding the Fourth Proportional to 142,775.49, 214,163.73 and 36,159.42

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Solution

The fourth proportional to 142,775.49, 214,163.73 and 36,159.42 is: 54,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,775.49 : 214,163.73 = 36,159.42 : x
  2. Step 2: Convert to fraction form
    142,775.49/214,163.73 = 36,159.42/x
  3. Step 3: Cross multiply
    142,775.49x = 214,163.73 × 36,159.42
  4. Step 4: Simplify right side
    142,775.49x = 7,744,036,261.84
  5. Step 5: Solve for x
    x = 7,744,036,261.84/142,775.49
  6. Step 6: Final answer
    x = 54,239.26

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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.