Home / 353,185.20-487,388.69-192,038.84

Finding the Fourth Proportional to 353,185.20, 487,388.69 and 192,038.84

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Solution

The fourth proportional to 353,185.20, 487,388.69 and 192,038.84 is: 265,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,185.20 : 487,388.69 = 192,038.84 : x
  2. Step 2: Convert to fraction form
    353,185.20/487,388.69 = 192,038.84/x
  3. Step 3: Cross multiply
    353,185.20x = 487,388.69 × 192,038.84
  4. Step 4: Simplify right side
    353,185.20x = 93,597,555,259.58
  5. Step 5: Solve for x
    x = 93,597,555,259.58/353,185.20
  6. Step 6: Final answer
    x = 265,009.85

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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.