Home / 109,376.30-164,100.90-97,617.80

Finding the Fourth Proportional to 109,376.30, 164,100.90 and 97,617.80

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Solution

The fourth proportional to 109,376.30, 164,100.90 and 97,617.80 is: 146,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,376.30 : 164,100.90 = 97,617.80 : x
  2. Step 2: Convert to fraction form
    109,376.30/164,100.90 = 97,617.80/x
  3. Step 3: Cross multiply
    109,376.30x = 164,100.90 × 97,617.80
  4. Step 4: Simplify right side
    109,376.30x = 16,019,168,836.02
  5. Step 5: Solve for x
    x = 16,019,168,836.02/109,376.30
  6. Step 6: Final answer
    x = 146,459.23

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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.