Home / 181,770.26-272,476.78-86,973.53

Finding the Fourth Proportional to 181,770.26, 272,476.78 and 86,973.53

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Solution

The fourth proportional to 181,770.26, 272,476.78 and 86,973.53 is: 130,374.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,770.26 : 272,476.78 = 86,973.53 : x
  2. Step 2: Convert to fraction form
    181,770.26/272,476.78 = 86,973.53/x
  3. Step 3: Cross multiply
    181,770.26x = 272,476.78 × 86,973.53
  4. Step 4: Simplify right side
    181,770.26x = 23,698,265,819.82
  5. Step 5: Solve for x
    x = 23,698,265,819.82/181,770.26
  6. Step 6: Final answer
    x = 130,374.83

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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.