Home / 126,252.72-189,329.67-47,323.89

Finding the Fourth Proportional to 126,252.72, 189,329.67 and 47,323.89

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Solution

The fourth proportional to 126,252.72, 189,329.67 and 47,323.89 is: 70,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.72 : 189,329.67 = 47,323.89 : x
  2. Step 2: Convert to fraction form
    126,252.72/189,329.67 = 47,323.89/x
  3. Step 3: Cross multiply
    126,252.72x = 189,329.67 × 47,323.89
  4. Step 4: Simplify right side
    126,252.72x = 8,959,816,476.82
  5. Step 5: Solve for x
    x = 8,959,816,476.82/126,252.72
  6. Step 6: Final answer
    x = 70,967.31

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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.