Home / 185,215.02-255,596.46-100,332.42

Finding the Fourth Proportional to 185,215.02, 255,596.46 and 100,332.42

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Solution

The fourth proportional to 185,215.02, 255,596.46 and 100,332.42 is: 138,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,215.02 : 255,596.46 = 100,332.42 : x
  2. Step 2: Convert to fraction form
    185,215.02/255,596.46 = 100,332.42/x
  3. Step 3: Cross multiply
    185,215.02x = 255,596.46 × 100,332.42
  4. Step 4: Simplify right side
    185,215.02x = 25,644,611,375.23
  5. Step 5: Solve for x
    x = 25,644,611,375.23/185,215.02
  6. Step 6: Final answer
    x = 138,458.59

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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.