Home / 153,027.03-211,163.85-85,039.73

Finding the Fourth Proportional to 153,027.03, 211,163.85 and 85,039.73

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Solution

The fourth proportional to 153,027.03, 211,163.85 and 85,039.73 is: 117,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,027.03 : 211,163.85 = 85,039.73 : x
  2. Step 2: Convert to fraction form
    153,027.03/211,163.85 = 85,039.73/x
  3. Step 3: Cross multiply
    153,027.03x = 211,163.85 × 85,039.73
  4. Step 4: Simplify right side
    153,027.03x = 17,957,315,733.94
  5. Step 5: Solve for x
    x = 17,957,315,733.94/153,027.03
  6. Step 6: Final answer
    x = 117,347.35

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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.