Home / 319,550.01-441,138.81-198,730.22

Finding the Fourth Proportional to 319,550.01, 441,138.81 and 198,730.22

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Solution

The fourth proportional to 319,550.01, 441,138.81 and 198,730.22 is: 274,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,550.01 : 441,138.81 = 198,730.22 : x
  2. Step 2: Convert to fraction form
    319,550.01/441,138.81 = 198,730.22/x
  3. Step 3: Cross multiply
    319,550.01x = 441,138.81 × 198,730.22
  4. Step 4: Simplify right side
    319,550.01x = 87,667,613,258.66
  5. Step 5: Solve for x
    x = 87,667,613,258.66/319,550.01
  6. Step 6: Final answer
    x = 274,347.08

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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.