Home / 109,832.40-164,748.60-98,427.60

Finding the Fourth Proportional to 109,832.40, 164,748.60 and 98,427.60

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Solution

The fourth proportional to 109,832.40, 164,748.60 and 98,427.60 is: 147,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,832.40 : 164,748.60 = 98,427.60 : x
  2. Step 2: Convert to fraction form
    109,832.40/164,748.60 = 98,427.60/x
  3. Step 3: Cross multiply
    109,832.40x = 164,748.60 × 98,427.60
  4. Step 4: Simplify right side
    109,832.40x = 16,215,809,301.36
  5. Step 5: Solve for x
    x = 16,215,809,301.36/109,832.40
  6. Step 6: Final answer
    x = 147,641.40

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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.