Home / 158,172.31-218,196.04-107,167.59

Finding the Fourth Proportional to 158,172.31, 218,196.04 and 107,167.59

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Solution

The fourth proportional to 158,172.31, 218,196.04 and 107,167.59 is: 147,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,172.31 : 218,196.04 = 107,167.59 : x
  2. Step 2: Convert to fraction form
    158,172.31/218,196.04 = 107,167.59/x
  3. Step 3: Cross multiply
    158,172.31x = 218,196.04 × 107,167.59
  4. Step 4: Simplify right side
    158,172.31x = 23,383,542,127.53
  5. Step 5: Solve for x
    x = 23,383,542,127.53/158,172.31
  6. Step 6: Final answer
    x = 147,835.88

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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.