Home / 125,522.78-173,157.38-80,153.06

Finding the Fourth Proportional to 125,522.78, 173,157.38 and 80,153.06

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Solution

The fourth proportional to 125,522.78, 173,157.38 and 80,153.06 is: 110,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,522.78 : 173,157.38 = 80,153.06 : x
  2. Step 2: Convert to fraction form
    125,522.78/173,157.38 = 80,153.06/x
  3. Step 3: Cross multiply
    125,522.78x = 173,157.38 × 80,153.06
  4. Step 4: Simplify right side
    125,522.78x = 13,879,092,902.60
  5. Step 5: Solve for x
    x = 13,879,092,902.60/125,522.78
  6. Step 6: Final answer
    x = 110,570.32

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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.