Home / 159,857.37-220,587.44-88,232.76

Finding the Fourth Proportional to 159,857.37, 220,587.44 and 88,232.76

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Solution

The fourth proportional to 159,857.37, 220,587.44 and 88,232.76 is: 121,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,857.37 : 220,587.44 = 88,232.76 : x
  2. Step 2: Convert to fraction form
    159,857.37/220,587.44 = 88,232.76/x
  3. Step 3: Cross multiply
    159,857.37x = 220,587.44 × 88,232.76
  4. Step 4: Simplify right side
    159,857.37x = 19,463,038,211.37
  5. Step 5: Solve for x
    x = 19,463,038,211.37/159,857.37
  6. Step 6: Final answer
    x = 121,752.52

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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.