Home / 353,212.22-487,427.30-192,065.86

Finding the Fourth Proportional to 353,212.22, 487,427.30 and 192,065.86

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Solution

The fourth proportional to 353,212.22, 487,427.30 and 192,065.86 is: 265,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,212.22 : 487,427.30 = 192,065.86 : x
  2. Step 2: Convert to fraction form
    353,212.22/487,427.30 = 192,065.86/x
  3. Step 3: Cross multiply
    353,212.22x = 487,427.30 × 192,065.86
  4. Step 4: Simplify right side
    353,212.22x = 93,618,142,823.57
  5. Step 5: Solve for x
    x = 93,618,142,823.57/353,212.22
  6. Step 6: Final answer
    x = 265,047.86

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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.