Home / 144,066.05-198,837.17-85,926.51

Finding the Fourth Proportional to 144,066.05, 198,837.17 and 85,926.51

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Solution

The fourth proportional to 144,066.05, 198,837.17 and 85,926.51 is: 118,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,066.05 : 198,837.17 = 85,926.51 : x
  2. Step 2: Convert to fraction form
    144,066.05/198,837.17 = 85,926.51/x
  3. Step 3: Cross multiply
    144,066.05x = 198,837.17 × 85,926.51
  4. Step 4: Simplify right side
    144,066.05x = 17,085,383,646.74
  5. Step 5: Solve for x
    x = 17,085,383,646.74/144,066.05
  6. Step 6: Final answer
    x = 118,594.10

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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.