Home / 129,116.37-193,685.72-35,622.12

Finding the Fourth Proportional to 129,116.37, 193,685.72 and 35,622.12

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Solution

The fourth proportional to 129,116.37, 193,685.72 and 35,622.12 is: 53,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,116.37 : 193,685.72 = 35,622.12 : x
  2. Step 2: Convert to fraction form
    129,116.37/193,685.72 = 35,622.12/x
  3. Step 3: Cross multiply
    129,116.37x = 193,685.72 × 35,622.12
  4. Step 4: Simplify right side
    129,116.37x = 6,899,495,960.13
  5. Step 5: Solve for x
    x = 6,899,495,960.13/129,116.37
  6. Step 6: Final answer
    x = 53,436.26

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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.