Home / 161,079.57-222,307.43-92,175.40

Finding the Fourth Proportional to 161,079.57, 222,307.43 and 92,175.40

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Solution

The fourth proportional to 161,079.57, 222,307.43 and 92,175.40 is: 127,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,079.57 : 222,307.43 = 92,175.40 : x
  2. Step 2: Convert to fraction form
    161,079.57/222,307.43 = 92,175.40/x
  3. Step 3: Cross multiply
    161,079.57x = 222,307.43 × 92,175.40
  4. Step 4: Simplify right side
    161,079.57x = 20,491,276,513.66
  5. Step 5: Solve for x
    x = 20,491,276,513.66/161,079.57
  6. Step 6: Final answer
    x = 127,212.14

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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.