Home / 133,187.16-199,780.02-54,301.08

Finding the Fourth Proportional to 133,187.16, 199,780.02 and 54,301.08

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Solution

The fourth proportional to 133,187.16, 199,780.02 and 54,301.08 is: 81,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,187.16 : 199,780.02 = 54,301.08 : x
  2. Step 2: Convert to fraction form
    133,187.16/199,780.02 = 54,301.08/x
  3. Step 3: Cross multiply
    133,187.16x = 199,780.02 × 54,301.08
  4. Step 4: Simplify right side
    133,187.16x = 10,848,270,848.42
  5. Step 5: Solve for x
    x = 10,848,270,848.42/133,187.16
  6. Step 6: Final answer
    x = 81,451.33

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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.