Home / 153,028.03-211,165.23-85,040.73

Finding the Fourth Proportional to 153,028.03, 211,165.23 and 85,040.73

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Solution

The fourth proportional to 153,028.03, 211,165.23 and 85,040.73 is: 117,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028.03 : 211,165.23 = 85,040.73 : x
  2. Step 2: Convert to fraction form
    153,028.03/211,165.23 = 85,040.73/x
  3. Step 3: Cross multiply
    153,028.03x = 211,165.23 × 85,040.73
  4. Step 4: Simplify right side
    153,028.03x = 17,957,645,309.82
  5. Step 5: Solve for x
    x = 17,957,645,309.82/153,028.03
  6. Step 6: Final answer
    x = 117,348.73

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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.