Home / 236,863.26-326,870.91-129,433.32

Finding the Fourth Proportional to 236,863.26, 326,870.91 and 129,433.32

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Solution

The fourth proportional to 236,863.26, 326,870.91 and 129,433.32 is: 178,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,863.26 : 326,870.91 = 129,433.32 : x
  2. Step 2: Convert to fraction form
    236,863.26/326,870.91 = 129,433.32/x
  3. Step 3: Cross multiply
    236,863.26x = 326,870.91 × 129,433.32
  4. Step 4: Simplify right side
    236,863.26x = 42,307,987,092.72
  5. Step 5: Solve for x
    x = 42,307,987,092.72/236,863.26
  6. Step 6: Final answer
    x = 178,617.77

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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.