Home / 159,554.02-220,181.84-87,932.50

Finding the Fourth Proportional to 159,554.02, 220,181.84 and 87,932.50

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Solution

The fourth proportional to 159,554.02, 220,181.84 and 87,932.50 is: 121,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,554.02 : 220,181.84 = 87,932.50 : x
  2. Step 2: Convert to fraction form
    159,554.02/220,181.84 = 87,932.50/x
  3. Step 3: Cross multiply
    159,554.02x = 220,181.84 × 87,932.50
  4. Step 4: Simplify right side
    159,554.02x = 19,361,139,645.80
  5. Step 5: Solve for x
    x = 19,361,139,645.80/159,554.02
  6. Step 6: Final answer
    x = 121,345.36

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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.