Home / 236,081.04-325,783.56-128,648.88

Finding the Fourth Proportional to 236,081.04, 325,783.56 and 128,648.88

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Solution

The fourth proportional to 236,081.04, 325,783.56 and 128,648.88 is: 177,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,081.04 : 325,783.56 = 128,648.88 : x
  2. Step 2: Convert to fraction form
    236,081.04/325,783.56 = 128,648.88/x
  3. Step 3: Cross multiply
    236,081.04x = 325,783.56 × 128,648.88
  4. Step 4: Simplify right side
    236,081.04x = 41,911,690,116.41
  5. Step 5: Solve for x
    x = 41,911,690,116.41/236,081.04
  6. Step 6: Final answer
    x = 177,530.94

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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.