Home / 161,097.85-222,315.04-89,484.53

Finding the Fourth Proportional to 161,097.85, 222,315.04 and 89,484.53

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Solution

The fourth proportional to 161,097.85, 222,315.04 and 89,484.53 is: 123,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,097.85 : 222,315.04 = 89,484.53 : x
  2. Step 2: Convert to fraction form
    161,097.85/222,315.04 = 89,484.53/x
  3. Step 3: Cross multiply
    161,097.85x = 222,315.04 × 89,484.53
  4. Step 4: Simplify right side
    161,097.85x = 19,893,756,866.33
  5. Step 5: Solve for x
    x = 19,893,756,866.33/161,097.85
  6. Step 6: Final answer
    x = 123,488.66

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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.