Home / 236,387.22-326,222.58-128,963.16

Finding the Fourth Proportional to 236,387.22, 326,222.58 and 128,963.16

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Solution

The fourth proportional to 236,387.22, 326,222.58 and 128,963.16 is: 177,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,387.22 : 326,222.58 = 128,963.16 : x
  2. Step 2: Convert to fraction form
    236,387.22/326,222.58 = 128,963.16/x
  3. Step 3: Cross multiply
    236,387.22x = 326,222.58 × 128,963.16
  4. Step 4: Simplify right side
    236,387.22x = 42,070,694,780.15
  5. Step 5: Solve for x
    x = 42,070,694,780.15/236,387.22
  6. Step 6: Final answer
    x = 177,973.64

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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.