Home / 185,119.03-255,464.45-100,235.89

Finding the Fourth Proportional to 185,119.03, 255,464.45 and 100,235.89

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Solution

The fourth proportional to 185,119.03, 255,464.45 and 100,235.89 is: 138,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,119.03 : 255,464.45 = 100,235.89 : x
  2. Step 2: Convert to fraction form
    185,119.03/255,464.45 = 100,235.89/x
  3. Step 3: Cross multiply
    185,119.03x = 255,464.45 × 100,235.89
  4. Step 4: Simplify right side
    185,119.03x = 25,606,706,509.11
  5. Step 5: Solve for x
    x = 25,606,706,509.11/185,119.03
  6. Step 6: Final answer
    x = 138,325.63

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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.