Home / 153,204.01-211,434.30-85,233.79

Finding the Fourth Proportional to 153,204.01, 211,434.30 and 85,233.79

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Solution

The fourth proportional to 153,204.01, 211,434.30 and 85,233.79 is: 117,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,204.01 : 211,434.30 = 85,233.79 : x
  2. Step 2: Convert to fraction form
    153,204.01/211,434.30 = 85,233.79/x
  3. Step 3: Cross multiply
    153,204.01x = 211,434.30 × 85,233.79
  4. Step 4: Simplify right side
    153,204.01x = 18,021,345,667.83
  5. Step 5: Solve for x
    x = 18,021,345,667.83/153,204.01
  6. Step 6: Final answer
    x = 117,629.73

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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.