Home / 235,524.39-325,014.30-128,094.36

Finding the Fourth Proportional to 235,524.39, 325,014.30 and 128,094.36

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Solution

The fourth proportional to 235,524.39, 325,014.30 and 128,094.36 is: 176,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,524.39 : 325,014.30 = 128,094.36 : x
  2. Step 2: Convert to fraction form
    235,524.39/325,014.30 = 128,094.36/x
  3. Step 3: Cross multiply
    235,524.39x = 325,014.30 × 128,094.36
  4. Step 4: Simplify right side
    235,524.39x = 41,632,498,749.35
  5. Step 5: Solve for x
    x = 41,632,498,749.35/235,524.39
  6. Step 6: Final answer
    x = 176,765.13

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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.