Home / 159,557.46-220,180.32-87,937.26

Finding the Fourth Proportional to 159,557.46, 220,180.32 and 87,937.26

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Solution

The fourth proportional to 159,557.46, 220,180.32 and 87,937.26 is: 121,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,557.46 : 220,180.32 = 87,937.26 : x
  2. Step 2: Convert to fraction form
    159,557.46/220,180.32 = 87,937.26/x
  3. Step 3: Cross multiply
    159,557.46x = 220,180.32 × 87,937.26
  4. Step 4: Simplify right side
    159,557.46x = 19,362,054,046.72
  5. Step 5: Solve for x
    x = 19,362,054,046.72/159,557.46
  6. Step 6: Final answer
    x = 121,348.47

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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.