Home / 185,128.04-255,476.26-100,245.11

Finding the Fourth Proportional to 185,128.04, 255,476.26 and 100,245.11

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Solution

The fourth proportional to 185,128.04, 255,476.26 and 100,245.11 is: 138,338.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,128.04 : 255,476.26 = 100,245.11 : x
  2. Step 2: Convert to fraction form
    185,128.04/255,476.26 = 100,245.11/x
  3. Step 3: Cross multiply
    185,128.04x = 255,476.26 × 100,245.11
  4. Step 4: Simplify right side
    185,128.04x = 25,610,244,634.01
  5. Step 5: Solve for x
    x = 25,610,244,634.01/185,128.04
  6. Step 6: Final answer
    x = 138,338.01

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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.