Home / 235,933.25-325,588.38-128,502.95

Finding the Fourth Proportional to 235,933.25, 325,588.38 and 128,502.95

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Solution

The fourth proportional to 235,933.25, 325,588.38 and 128,502.95 is: 177,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,933.25 : 325,588.38 = 128,502.95 : x
  2. Step 2: Convert to fraction form
    235,933.25/325,588.38 = 128,502.95/x
  3. Step 3: Cross multiply
    235,933.25x = 325,588.38 × 128,502.95
  4. Step 4: Simplify right side
    235,933.25x = 41,839,065,687.78
  5. Step 5: Solve for x
    x = 41,839,065,687.78/235,933.25
  6. Step 6: Final answer
    x = 177,334.34

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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.