Home / 133,196.36-199,807.92-38,428.88

Finding the Fourth Proportional to 133,196.36, 199,807.92 and 38,428.88

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Solution

The fourth proportional to 133,196.36, 199,807.92 and 38,428.88 is: 57,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.36 : 199,807.92 = 38,428.88 : x
  2. Step 2: Convert to fraction form
    133,196.36/199,807.92 = 38,428.88/x
  3. Step 3: Cross multiply
    133,196.36x = 199,807.92 × 38,428.88
  4. Step 4: Simplify right side
    133,196.36x = 7,678,394,580.73
  5. Step 5: Solve for x
    x = 7,678,394,580.73/133,196.36
  6. Step 6: Final answer
    x = 57,647.18

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1.5x scale

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.