Home / 133,049.04-199,400.76-54,071.36

Finding the Fourth Proportional to 133,049.04, 199,400.76 and 54,071.36

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Solution

The fourth proportional to 133,049.04, 199,400.76 and 54,071.36 is: 81,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.04 : 199,400.76 = 54,071.36 : x
  2. Step 2: Convert to fraction form
    133,049.04/199,400.76 = 54,071.36/x
  3. Step 3: Cross multiply
    133,049.04x = 199,400.76 × 54,071.36
  4. Step 4: Simplify right side
    133,049.04x = 10,781,870,278.23
  5. Step 5: Solve for x
    x = 10,781,870,278.23/133,049.04
  6. Step 6: Final answer
    x = 81,036.81

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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.