Home / 235,650.27-325,203.18-128,226.21

Finding the Fourth Proportional to 235,650.27, 325,203.18 and 128,226.21

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Solution

The fourth proportional to 235,650.27, 325,203.18 and 128,226.21 is: 176,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,650.27 : 325,203.18 = 128,226.21 : x
  2. Step 2: Convert to fraction form
    235,650.27/325,203.18 = 128,226.21/x
  3. Step 3: Cross multiply
    235,650.27x = 325,203.18 × 128,226.21
  4. Step 4: Simplify right side
    235,650.27x = 41,699,571,251.35
  5. Step 5: Solve for x
    x = 41,699,571,251.35/235,650.27
  6. Step 6: Final answer
    x = 176,955.33

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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.