Home / 263,518.55-363,656.76-142,659.83

Finding the Fourth Proportional to 263,518.55, 363,656.76 and 142,659.83

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Solution

The fourth proportional to 263,518.55, 363,656.76 and 142,659.83 is: 196,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,518.55 : 363,656.76 = 142,659.83 : x
  2. Step 2: Convert to fraction form
    263,518.55/363,656.76 = 142,659.83/x
  3. Step 3: Cross multiply
    263,518.55x = 363,656.76 × 142,659.83
  4. Step 4: Simplify right side
    263,518.55x = 51,879,211,934.12
  5. Step 5: Solve for x
    x = 51,879,211,934.12/263,518.55
  6. Step 6: Final answer
    x = 196,871.20

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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.