Home / 126,218.51-189,356.92-37,470.05

Finding the Fourth Proportional to 126,218.51, 189,356.92 and 37,470.05

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Solution

The fourth proportional to 126,218.51, 189,356.92 and 37,470.05 is: 56,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.51 : 189,356.92 = 37,470.05 : x
  2. Step 2: Convert to fraction form
    126,218.51/189,356.92 = 37,470.05/x
  3. Step 3: Cross multiply
    126,218.51x = 189,356.92 × 37,470.05
  4. Step 4: Simplify right side
    126,218.51x = 7,095,212,219.79
  5. Step 5: Solve for x
    x = 7,095,212,219.79/126,218.51
  6. Step 6: Final answer
    x = 56,213.72

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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.