Home / 133,665.24-199,318.35-132,465.36

Finding the Fourth Proportional to 133,665.24, 199,318.35 and 132,465.36

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Solution

The fourth proportional to 133,665.24, 199,318.35 and 132,465.36 is: 197,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,665.24 : 199,318.35 = 132,465.36 : x
  2. Step 2: Convert to fraction form
    133,665.24/199,318.35 = 132,465.36/x
  3. Step 3: Cross multiply
    133,665.24x = 199,318.35 × 132,465.36
  4. Step 4: Simplify right side
    133,665.24x = 26,402,776,987.36
  5. Step 5: Solve for x
    x = 26,402,776,987.36/133,665.24
  6. Step 6: Final answer
    x = 197,529.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.