Home / 235,550.24-325,061.70-128,122.82

Finding the Fourth Proportional to 235,550.24, 325,061.70 and 128,122.82

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Solution

The fourth proportional to 235,550.24, 325,061.70 and 128,122.82 is: 176,810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,550.24 : 325,061.70 = 128,122.82 : x
  2. Step 2: Convert to fraction form
    235,550.24/325,061.70 = 128,122.82/x
  3. Step 3: Cross multiply
    235,550.24x = 325,061.70 × 128,122.82
  4. Step 4: Simplify right side
    235,550.24x = 41,647,821,677.99
  5. Step 5: Solve for x
    x = 41,647,821,677.99/235,550.24
  6. Step 6: Final answer
    x = 176,810.78

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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.