Home / 185,015.59-255,322.26-100,132.63

Finding the Fourth Proportional to 185,015.59, 255,322.26 and 100,132.63

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Solution

The fourth proportional to 185,015.59, 255,322.26 and 100,132.63 is: 138,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,015.59 : 255,322.26 = 100,132.63 : x
  2. Step 2: Convert to fraction form
    185,015.59/255,322.26 = 100,132.63/x
  3. Step 3: Cross multiply
    185,015.59x = 255,322.26 × 100,132.63
  4. Step 4: Simplify right side
    185,015.59x = 25,566,087,614.07
  5. Step 5: Solve for x
    x = 25,566,087,614.07/185,015.59
  6. Step 6: Final answer
    x = 138,183.43

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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.