Home / 361,421.08-498,755.11-198,076.33

Finding the Fourth Proportional to 361,421.08, 498,755.11 and 198,076.33

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Solution

The fourth proportional to 361,421.08, 498,755.11 and 198,076.33 is: 273,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,421.08 : 498,755.11 = 198,076.33 : x
  2. Step 2: Convert to fraction form
    361,421.08/498,755.11 = 198,076.33/x
  3. Step 3: Cross multiply
    361,421.08x = 498,755.11 × 198,076.33
  4. Step 4: Simplify right side
    361,421.08x = 98,791,580,767.16
  5. Step 5: Solve for x
    x = 98,791,580,767.16/361,421.08
  6. Step 6: Final answer
    x = 273,342.06

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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.