Home / 161,077.23-222,397.77-100,675.02

Finding the Fourth Proportional to 161,077.23, 222,397.77 and 100,675.02

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Solution

The fourth proportional to 161,077.23, 222,397.77 and 100,675.02 is: 139,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,077.23 : 222,397.77 = 100,675.02 : x
  2. Step 2: Convert to fraction form
    161,077.23/222,397.77 = 100,675.02/x
  3. Step 3: Cross multiply
    161,077.23x = 222,397.77 × 100,675.02
  4. Step 4: Simplify right side
    161,077.23x = 22,389,899,942.71
  5. Step 5: Solve for x
    x = 22,389,899,942.71/161,077.23
  6. Step 6: Final answer
    x = 139,001.02

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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.