Home / 236,350.56-326,164.76-128,922.88

Finding the Fourth Proportional to 236,350.56, 326,164.76 and 128,922.88

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Solution

The fourth proportional to 236,350.56, 326,164.76 and 128,922.88 is: 177,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,350.56 : 326,164.76 = 128,922.88 : x
  2. Step 2: Convert to fraction form
    236,350.56/326,164.76 = 128,922.88/x
  3. Step 3: Cross multiply
    236,350.56x = 326,164.76 × 128,922.88
  4. Step 4: Simplify right side
    236,350.56x = 42,050,100,213.71
  5. Step 5: Solve for x
    x = 42,050,100,213.71/236,350.56
  6. Step 6: Final answer
    x = 177,914.11

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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.