Home / 161,190.41-222,377.81-97,417.49

Finding the Fourth Proportional to 161,190.41, 222,377.81 and 97,417.49

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Solution

The fourth proportional to 161,190.41, 222,377.81 and 97,417.49 is: 134,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,190.41 : 222,377.81 = 97,417.49 : x
  2. Step 2: Convert to fraction form
    161,190.41/222,377.81 = 97,417.49/x
  3. Step 3: Cross multiply
    161,190.41x = 222,377.81 × 97,417.49
  4. Step 4: Simplify right side
    161,190.41x = 21,663,486,482.92
  5. Step 5: Solve for x
    x = 21,663,486,482.92/161,190.41
  6. Step 6: Final answer
    x = 134,396.87

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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.