Home / 161,106.22-222,320.40-89,490.82

Finding the Fourth Proportional to 161,106.22, 222,320.40 and 89,490.82

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Solution

The fourth proportional to 161,106.22, 222,320.40 and 89,490.82 is: 123,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,106.22 : 222,320.40 = 89,490.82 : x
  2. Step 2: Convert to fraction form
    161,106.22/222,320.40 = 89,490.82/x
  3. Step 3: Cross multiply
    161,106.22x = 222,320.40 × 89,490.82
  4. Step 4: Simplify right side
    161,106.22x = 19,895,634,898.73
  5. Step 5: Solve for x
    x = 19,895,634,898.73/161,106.22
  6. Step 6: Final answer
    x = 123,493.90

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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.