Home / 109,748.70-164,623.05-107,999.10

Finding the Fourth Proportional to 109,748.70, 164,623.05 and 107,999.10

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Solution

The fourth proportional to 109,748.70, 164,623.05 and 107,999.10 is: 161,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,748.70 : 164,623.05 = 107,999.10 : x
  2. Step 2: Convert to fraction form
    109,748.70/164,623.05 = 107,999.10/x
  3. Step 3: Cross multiply
    109,748.70x = 164,623.05 × 107,999.10
  4. Step 4: Simplify right side
    109,748.70x = 17,779,141,239.26
  5. Step 5: Solve for x
    x = 17,779,141,239.26/109,748.70
  6. Step 6: Final answer
    x = 161,998.65

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Similar ratio
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1.5x scale

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.