Home / 113,513.36-156,592.32-68,169.56

Finding the Fourth Proportional to 113,513.36, 156,592.32 and 68,169.56

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Solution

The fourth proportional to 113,513.36, 156,592.32 and 68,169.56 is: 94,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.36 : 156,592.32 = 68,169.56 : x
  2. Step 2: Convert to fraction form
    113,513.36/156,592.32 = 68,169.56/x
  3. Step 3: Cross multiply
    113,513.36x = 156,592.32 × 68,169.56
  4. Step 4: Simplify right side
    113,513.36x = 10,674,829,553.78
  5. Step 5: Solve for x
    x = 10,674,829,553.78/113,513.36
  6. Step 6: Final answer
    x = 94,040.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.