Home / 109,652.10-164,516.55-105,812.10

Finding the Fourth Proportional to 109,652.10, 164,516.55 and 105,812.10

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Solution

The fourth proportional to 109,652.10, 164,516.55 and 105,812.10 is: 158,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,652.10 : 164,516.55 = 105,812.10 : x
  2. Step 2: Convert to fraction form
    109,652.10/164,516.55 = 105,812.10/x
  3. Step 3: Cross multiply
    109,652.10x = 164,516.55 × 105,812.10
  4. Step 4: Simplify right side
    109,652.10x = 17,407,841,640.26
  5. Step 5: Solve for x
    x = 17,407,841,640.26/109,652.10
  6. Step 6: Final answer
    x = 158,755.21

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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.