Home / 185,048.68-255,367.32-100,165.48

Finding the Fourth Proportional to 185,048.68, 255,367.32 and 100,165.48

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Solution

The fourth proportional to 185,048.68, 255,367.32 and 100,165.48 is: 138,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,048.68 : 255,367.32 = 100,165.48 : x
  2. Step 2: Convert to fraction form
    185,048.68/255,367.32 = 100,165.48/x
  3. Step 3: Cross multiply
    185,048.68x = 255,367.32 × 100,165.48
  4. Step 4: Simplify right side
    185,048.68x = 25,578,990,184.11
  5. Step 5: Solve for x
    x = 25,578,990,184.11/185,048.68
  6. Step 6: Final answer
    x = 138,228.44

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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.