Home / 117,853.16-162,697.62-90,935.24

Finding the Fourth Proportional to 117,853.16, 162,697.62 and 90,935.24

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Solution

The fourth proportional to 117,853.16, 162,697.62 and 90,935.24 is: 125,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,853.16 : 162,697.62 = 90,935.24 : x
  2. Step 2: Convert to fraction form
    117,853.16/162,697.62 = 90,935.24/x
  3. Step 3: Cross multiply
    117,853.16x = 162,697.62 × 90,935.24
  4. Step 4: Simplify right side
    117,853.16x = 14,794,947,122.13
  5. Step 5: Solve for x
    x = 14,794,947,122.13/117,853.16
  6. Step 6: Final answer
    x = 125,537.13

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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.