Home / 353,266.72-487,503.36-192,118.30

Finding the Fourth Proportional to 353,266.72, 487,503.36 and 192,118.30

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Solution

The fourth proportional to 353,266.72, 487,503.36 and 192,118.30 is: 265,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,266.72 : 487,503.36 = 192,118.30 : x
  2. Step 2: Convert to fraction form
    353,266.72/487,503.36 = 192,118.30/x
  3. Step 3: Cross multiply
    353,266.72x = 487,503.36 × 192,118.30
  4. Step 4: Simplify right side
    353,266.72x = 93,658,315,548.73
  5. Step 5: Solve for x
    x = 93,658,315,548.73/353,266.72
  6. Step 6: Final answer
    x = 265,120.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.