Home / 442,245.24-663,364.22-126,702.45

Finding the Fourth Proportional to 442,245.24, 663,364.22 and 126,702.45

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Solution

The fourth proportional to 442,245.24, 663,364.22 and 126,702.45 is: 190,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,245.24 : 663,364.22 = 126,702.45 : x
  2. Step 2: Convert to fraction form
    442,245.24/663,364.22 = 126,702.45/x
  3. Step 3: Cross multiply
    442,245.24x = 663,364.22 × 126,702.45
  4. Step 4: Simplify right side
    442,245.24x = 84,049,871,282.83
  5. Step 5: Solve for x
    x = 84,049,871,282.83/442,245.24
  6. Step 6: Final answer
    x = 190,052.63

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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.