Home / 159,110.17-219,577.68-87,495.64

Finding the Fourth Proportional to 159,110.17, 219,577.68 and 87,495.64

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Solution

The fourth proportional to 159,110.17, 219,577.68 and 87,495.64 is: 120,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,110.17 : 219,577.68 = 87,495.64 : x
  2. Step 2: Convert to fraction form
    159,110.17/219,577.68 = 87,495.64/x
  3. Step 3: Cross multiply
    159,110.17x = 219,577.68 × 87,495.64
  4. Step 4: Simplify right side
    159,110.17x = 19,212,089,092.37
  5. Step 5: Solve for x
    x = 19,212,089,092.37/159,110.17
  6. Step 6: Final answer
    x = 120,747.09

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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.