Home / 185,209.02-255,588.18-100,326.42

Finding the Fourth Proportional to 185,209.02, 255,588.18 and 100,326.42

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Solution

The fourth proportional to 185,209.02, 255,588.18 and 100,326.42 is: 138,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,209.02 : 255,588.18 = 100,326.42 : x
  2. Step 2: Convert to fraction form
    185,209.02/255,588.18 = 100,326.42/x
  3. Step 3: Cross multiply
    185,209.02x = 255,588.18 × 100,326.42
  4. Step 4: Simplify right side
    185,209.02x = 25,642,247,093.72
  5. Step 5: Solve for x
    x = 25,642,247,093.72/185,209.02
  6. Step 6: Final answer
    x = 138,450.31

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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.