Home / 217,632.36-326,195.82-124,203.72

Finding the Fourth Proportional to 217,632.36, 326,195.82 and 124,203.72

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Solution

The fourth proportional to 217,632.36, 326,195.82 and 124,203.72 is: 186,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,632.36 : 326,195.82 = 124,203.72 : x
  2. Step 2: Convert to fraction form
    217,632.36/326,195.82 = 124,203.72/x
  3. Step 3: Cross multiply
    217,632.36x = 326,195.82 × 124,203.72
  4. Step 4: Simplify right side
    217,632.36x = 40,514,734,292.45
  5. Step 5: Solve for x
    x = 40,514,734,292.45/217,632.36
  6. Step 6: Final answer
    x = 186,161.35

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1.5x scale

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.