Home / 361,890.35-542,573.08-243,267.47

Finding the Fourth Proportional to 361,890.35, 542,573.08 and 243,267.47

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Solution

The fourth proportional to 361,890.35, 542,573.08 and 243,267.47 is: 364,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,890.35 : 542,573.08 = 243,267.47 : x
  2. Step 2: Convert to fraction form
    361,890.35/542,573.08 = 243,267.47/x
  3. Step 3: Cross multiply
    361,890.35x = 542,573.08 × 243,267.47
  4. Step 4: Simplify right side
    361,890.35x = 131,990,380,461.71
  5. Step 5: Solve for x
    x = 131,990,380,461.71/361,890.35
  6. Step 6: Final answer
    x = 364,724.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.