Home / 161,480.93-222,689.07-123,172.40

Finding the Fourth Proportional to 161,480.93, 222,689.07 and 123,172.40

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Solution

The fourth proportional to 161,480.93, 222,689.07 and 123,172.40 is: 169,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,480.93 : 222,689.07 = 123,172.40 : x
  2. Step 2: Convert to fraction form
    161,480.93/222,689.07 = 123,172.40/x
  3. Step 3: Cross multiply
    161,480.93x = 222,689.07 × 123,172.40
  4. Step 4: Simplify right side
    161,480.93x = 27,429,147,205.67
  5. Step 5: Solve for x
    x = 27,429,147,205.67/161,480.93
  6. Step 6: Final answer
    x = 169,859.98

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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.