Home / 159,840.08-220,582.64-88,219.94

Finding the Fourth Proportional to 159,840.08, 220,582.64 and 88,219.94

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Solution

The fourth proportional to 159,840.08, 220,582.64 and 88,219.94 is: 121,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,840.08 : 220,582.64 = 88,219.94 : x
  2. Step 2: Convert to fraction form
    159,840.08/220,582.64 = 88,219.94/x
  3. Step 3: Cross multiply
    159,840.08x = 220,582.64 × 88,219.94
  4. Step 4: Simplify right side
    159,840.08x = 19,459,786,383.48
  5. Step 5: Solve for x
    x = 19,459,786,383.48/159,840.08
  6. Step 6: Final answer
    x = 121,745.35

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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.