Home / 109,054.38-163,610.74-98,644.26

Finding the Fourth Proportional to 109,054.38, 163,610.74 and 98,644.26

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Solution

The fourth proportional to 109,054.38, 163,610.74 and 98,644.26 is: 147,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.38 : 163,610.74 = 98,644.26 : x
  2. Step 2: Convert to fraction form
    109,054.38/163,610.74 = 98,644.26/x
  3. Step 3: Cross multiply
    109,054.38x = 163,610.74 × 98,644.26
  4. Step 4: Simplify right side
    109,054.38x = 16,139,260,557.32
  5. Step 5: Solve for x
    x = 16,139,260,557.32/109,054.38
  6. Step 6: Final answer
    x = 147,992.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.