Home / 132,781.51-183,115.38-98,873.29

Finding the Fourth Proportional to 132,781.51, 183,115.38 and 98,873.29

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Solution

The fourth proportional to 132,781.51, 183,115.38 and 98,873.29 is: 136,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,781.51 : 183,115.38 = 98,873.29 : x
  2. Step 2: Convert to fraction form
    132,781.51/183,115.38 = 98,873.29/x
  3. Step 3: Cross multiply
    132,781.51x = 183,115.38 × 98,873.29
  4. Step 4: Simplify right side
    132,781.51x = 18,105,220,070.20
  5. Step 5: Solve for x
    x = 18,105,220,070.20/132,781.51
  6. Step 6: Final answer
    x = 136,353.47

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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.