Home / 353,192.20-487,405.80-192,047.12

Finding the Fourth Proportional to 353,192.20, 487,405.80 and 192,047.12

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Solution

The fourth proportional to 353,192.20, 487,405.80 and 192,047.12 is: 265,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,192.20 : 487,405.80 = 192,047.12 : x
  2. Step 2: Convert to fraction form
    353,192.20/487,405.80 = 192,047.12/x
  3. Step 3: Cross multiply
    353,192.20x = 487,405.80 × 192,047.12
  4. Step 4: Simplify right side
    353,192.20x = 93,604,880,161.30
  5. Step 5: Solve for x
    x = 93,604,880,161.30/353,192.20
  6. Step 6: Final answer
    x = 265,025.33

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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.