Home / 353,724.01-488,138.40-192,577.65

Finding the Fourth Proportional to 353,724.01, 488,138.40 and 192,577.65

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Solution

The fourth proportional to 353,724.01, 488,138.40 and 192,577.65 is: 265,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,724.01 : 488,138.40 = 192,577.65 : x
  2. Step 2: Convert to fraction form
    353,724.01/488,138.40 = 192,577.65/x
  3. Step 3: Cross multiply
    353,724.01x = 488,138.40 × 192,577.65
  4. Step 4: Simplify right side
    353,724.01x = 94,004,546,862.02
  5. Step 5: Solve for x
    x = 94,004,546,862.02/353,724.01
  6. Step 6: Final answer
    x = 265,756.76

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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.