Home / 185,120.44-255,468.03-100,239.32

Finding the Fourth Proportional to 185,120.44, 255,468.03 and 100,239.32

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Solution

The fourth proportional to 185,120.44, 255,468.03 and 100,239.32 is: 138,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,120.44 : 255,468.03 = 100,239.32 : x
  2. Step 2: Convert to fraction form
    185,120.44/255,468.03 = 100,239.32/x
  3. Step 3: Cross multiply
    185,120.44x = 255,468.03 × 100,239.32
  4. Step 4: Simplify right side
    185,120.44x = 25,607,941,871.71
  5. Step 5: Solve for x
    x = 25,607,941,871.71/185,120.44
  6. Step 6: Final answer
    x = 138,331.25

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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.