Home / 161,175.41-222,409.03-93,196.78

Finding the Fourth Proportional to 161,175.41, 222,409.03 and 93,196.78

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Solution

The fourth proportional to 161,175.41, 222,409.03 and 93,196.78 is: 128,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,175.41 : 222,409.03 = 93,196.78 : x
  2. Step 2: Convert to fraction form
    161,175.41/222,409.03 = 93,196.78/x
  3. Step 3: Cross multiply
    161,175.41x = 222,409.03 × 93,196.78
  4. Step 4: Simplify right side
    161,175.41x = 20,727,805,438.92
  5. Step 5: Solve for x
    x = 20,727,805,438.92/161,175.41
  6. Step 6: Final answer
    x = 128,604.02

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1.5x scale

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.