Home / 112,918.83-169,399.01-92,044.10

Finding the Fourth Proportional to 112,918.83, 169,399.01 and 92,044.10

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Solution

The fourth proportional to 112,918.83, 169,399.01 and 92,044.10 is: 138,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918.83 : 169,399.01 = 92,044.10 : x
  2. Step 2: Convert to fraction form
    112,918.83/169,399.01 = 92,044.10/x
  3. Step 3: Cross multiply
    112,918.83x = 169,399.01 × 92,044.10
  4. Step 4: Simplify right side
    112,918.83x = 15,592,178,109.13
  5. Step 5: Solve for x
    x = 15,592,178,109.13/112,918.83
  6. Step 6: Final answer
    x = 138,083.06

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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.