Home / 109,627.10-164,112.60-97,817.30

Finding the Fourth Proportional to 109,627.10, 164,112.60 and 97,817.30

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Solution

The fourth proportional to 109,627.10, 164,112.60 and 97,817.30 is: 146,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,627.10 : 164,112.60 = 97,817.30 : x
  2. Step 2: Convert to fraction form
    109,627.10/164,112.60 = 97,817.30/x
  3. Step 3: Cross multiply
    109,627.10x = 164,112.60 × 97,817.30
  4. Step 4: Simplify right side
    109,627.10x = 16,053,051,427.98
  5. Step 5: Solve for x
    x = 16,053,051,427.98/109,627.10
  6. Step 6: Final answer
    x = 146,433.24

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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.