Home / 161,098.03-222,315.30-89,484.72

Finding the Fourth Proportional to 161,098.03, 222,315.30 and 89,484.72

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Solution

The fourth proportional to 161,098.03, 222,315.30 and 89,484.72 is: 123,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,098.03 : 222,315.30 = 89,484.72 : x
  2. Step 2: Convert to fraction form
    161,098.03/222,315.30 = 89,484.72/x
  3. Step 3: Cross multiply
    161,098.03x = 222,315.30 × 89,484.72
  4. Step 4: Simplify right side
    161,098.03x = 19,893,821,538.53
  5. Step 5: Solve for x
    x = 19,893,821,538.53/161,098.03
  6. Step 6: Final answer
    x = 123,488.92

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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.