Home / 161,011.22-222,196.29-100,616.96

Finding the Fourth Proportional to 161,011.22, 222,196.29 and 100,616.96

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Solution

The fourth proportional to 161,011.22, 222,196.29 and 100,616.96 is: 138,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,011.22 : 222,196.29 = 100,616.96 : x
  2. Step 2: Convert to fraction form
    161,011.22/222,196.29 = 100,616.96/x
  3. Step 3: Cross multiply
    161,011.22x = 222,196.29 × 100,616.96
  4. Step 4: Simplify right side
    161,011.22x = 22,356,715,223.08
  5. Step 5: Solve for x
    x = 22,356,715,223.08/161,011.22
  6. Step 6: Final answer
    x = 138,851.91

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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.