Home / 353,265.20-487,501.31-192,116.80

Finding the Fourth Proportional to 353,265.20, 487,501.31 and 192,116.80

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Solution

The fourth proportional to 353,265.20, 487,501.31 and 192,116.80 is: 265,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,265.20 : 487,501.31 = 192,116.80 : x
  2. Step 2: Convert to fraction form
    353,265.20/487,501.31 = 192,116.80/x
  3. Step 3: Cross multiply
    353,265.20x = 487,501.31 × 192,116.80
  4. Step 4: Simplify right side
    353,265.20x = 93,657,190,934.55
  5. Step 5: Solve for x
    x = 93,657,190,934.55/353,265.20
  6. Step 6: Final answer
    x = 265,118.65

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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.