Home / 282,299.28-389,571.33-153,240.33

Finding the Fourth Proportional to 282,299.28, 389,571.33 and 153,240.33

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Solution

The fourth proportional to 282,299.28, 389,571.33 and 153,240.33 is: 211,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,299.28 : 389,571.33 = 153,240.33 : x
  2. Step 2: Convert to fraction form
    282,299.28/389,571.33 = 153,240.33/x
  3. Step 3: Cross multiply
    282,299.28x = 389,571.33 × 153,240.33
  4. Step 4: Simplify right side
    282,299.28x = 59,698,039,167.74
  5. Step 5: Solve for x
    x = 59,698,039,167.74/282,299.28
  6. Step 6: Final answer
    x = 211,470.75

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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.