Home / 156,101.10-234,162.11-54,887.03

Finding the Fourth Proportional to 156,101.10, 234,162.11 and 54,887.03

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Solution

The fourth proportional to 156,101.10, 234,162.11 and 54,887.03 is: 82,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,101.10 : 234,162.11 = 54,887.03 : x
  2. Step 2: Convert to fraction form
    156,101.10/234,162.11 = 54,887.03/x
  3. Step 3: Cross multiply
    156,101.10x = 234,162.11 × 54,887.03
  4. Step 4: Simplify right side
    156,101.10x = 12,852,463,479.06
  5. Step 5: Solve for x
    x = 12,852,463,479.06/156,101.10
  6. Step 6: Final answer
    x = 82,334.23

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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.