Home / 163,843.32-226,089.36-91,240.72

Finding the Fourth Proportional to 163,843.32, 226,089.36 and 91,240.72

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Solution

The fourth proportional to 163,843.32, 226,089.36 and 91,240.72 is: 125,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,843.32 : 226,089.36 = 91,240.72 : x
  2. Step 2: Convert to fraction form
    163,843.32/226,089.36 = 91,240.72/x
  3. Step 3: Cross multiply
    163,843.32x = 226,089.36 × 91,240.72
  4. Step 4: Simplify right side
    163,843.32x = 20,628,555,990.74
  5. Step 5: Solve for x
    x = 20,628,555,990.74/163,843.32
  6. Step 6: Final answer
    x = 125,904.16

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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.