Home / 117,201.10-161,725.93-65,508.52

Finding the Fourth Proportional to 117,201.10, 161,725.93 and 65,508.52

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Solution

The fourth proportional to 117,201.10, 161,725.93 and 65,508.52 is: 90,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,201.10 : 161,725.93 = 65,508.52 : x
  2. Step 2: Convert to fraction form
    117,201.10/161,725.93 = 65,508.52/x
  3. Step 3: Cross multiply
    117,201.10x = 161,725.93 × 65,508.52
  4. Step 4: Simplify right side
    117,201.10x = 10,594,426,319.92
  5. Step 5: Solve for x
    x = 10,594,426,319.92/117,201.10
  6. Step 6: Final answer
    x = 90,395.28

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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.