Home / 235,550.53-325,063.83-128,122.36

Finding the Fourth Proportional to 235,550.53, 325,063.83 and 128,122.36

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Solution

The fourth proportional to 235,550.53, 325,063.83 and 128,122.36 is: 176,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,550.53 : 325,063.83 = 128,122.36 : x
  2. Step 2: Convert to fraction form
    235,550.53/325,063.83 = 128,122.36/x
  3. Step 3: Cross multiply
    235,550.53x = 325,063.83 × 128,122.36
  4. Step 4: Simplify right side
    235,550.53x = 41,647,944,718.04
  5. Step 5: Solve for x
    x = 41,647,944,718.04/235,550.53
  6. Step 6: Final answer
    x = 176,811.08

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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.