Home / 135,480.26-186,957.78-75,053.54

Finding the Fourth Proportional to 135,480.26, 186,957.78 and 75,053.54

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Solution

The fourth proportional to 135,480.26, 186,957.78 and 75,053.54 is: 103,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,480.26 : 186,957.78 = 75,053.54 : x
  2. Step 2: Convert to fraction form
    135,480.26/186,957.78 = 75,053.54/x
  3. Step 3: Cross multiply
    135,480.26x = 186,957.78 × 75,053.54
  4. Step 4: Simplify right side
    135,480.26x = 14,031,843,219.54
  5. Step 5: Solve for x
    x = 14,031,843,219.54/135,480.26
  6. Step 6: Final answer
    x = 103,571.13

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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.