Home / 353,266.20-487,502.69-192,117.80

Finding the Fourth Proportional to 353,266.20, 487,502.69 and 192,117.80

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Solution

The fourth proportional to 353,266.20, 487,502.69 and 192,117.80 is: 265,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,266.20 : 487,502.69 = 192,117.80 : x
  2. Step 2: Convert to fraction form
    353,266.20/487,502.69 = 192,117.80/x
  3. Step 3: Cross multiply
    353,266.20x = 487,502.69 × 192,117.80
  4. Step 4: Simplify right side
    353,266.20x = 93,657,944,296.88
  5. Step 5: Solve for x
    x = 93,657,944,296.88/353,266.20
  6. Step 6: Final answer
    x = 265,120.03

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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.