Home / 481,853.61-722,723.01-126,895.31

Finding the Fourth Proportional to 481,853.61, 722,723.01 and 126,895.31

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Solution

The fourth proportional to 481,853.61, 722,723.01 and 126,895.31 is: 190,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,853.61 : 722,723.01 = 126,895.31 : x
  2. Step 2: Convert to fraction form
    481,853.61/722,723.01 = 126,895.31/x
  3. Step 3: Cross multiply
    481,853.61x = 722,723.01 × 126,895.31
  4. Step 4: Simplify right side
    481,853.61x = 91,710,159,018.82
  5. Step 5: Solve for x
    x = 91,710,159,018.82/481,853.61
  6. Step 6: Final answer
    x = 190,327.84

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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.