Home / 330,747.58-495,825.99-120,237.22

Finding the Fourth Proportional to 330,747.58, 495,825.99 and 120,237.22

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Solution

The fourth proportional to 330,747.58, 495,825.99 and 120,237.22 is: 180,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,747.58 : 495,825.99 = 120,237.22 : x
  2. Step 2: Convert to fraction form
    330,747.58/495,825.99 = 120,237.22/x
  3. Step 3: Cross multiply
    330,747.58x = 495,825.99 × 120,237.22
  4. Step 4: Simplify right side
    330,747.58x = 59,616,738,641.35
  5. Step 5: Solve for x
    x = 59,616,738,641.35/330,747.58
  6. Step 6: Final answer
    x = 180,248.45

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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.