Home / 154,092.72-212,647.50-85,189.26

Finding the Fourth Proportional to 154,092.72, 212,647.50 and 85,189.26

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Solution

The fourth proportional to 154,092.72, 212,647.50 and 85,189.26 is: 117,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,092.72 : 212,647.50 = 85,189.26 : x
  2. Step 2: Convert to fraction form
    154,092.72/212,647.50 = 85,189.26/x
  3. Step 3: Cross multiply
    154,092.72x = 212,647.50 × 85,189.26
  4. Step 4: Simplify right side
    154,092.72x = 18,115,283,165.85
  5. Step 5: Solve for x
    x = 18,115,283,165.85/154,092.72
  6. Step 6: Final answer
    x = 117,560.93

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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.