Home / 161,068.82-222,275.14-89,448.98

Finding the Fourth Proportional to 161,068.82, 222,275.14 and 89,448.98

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Solution

The fourth proportional to 161,068.82, 222,275.14 and 89,448.98 is: 123,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,068.82 : 222,275.14 = 89,448.98 : x
  2. Step 2: Convert to fraction form
    161,068.82/222,275.14 = 89,448.98/x
  3. Step 3: Cross multiply
    161,068.82x = 222,275.14 × 89,448.98
  4. Step 4: Simplify right side
    161,068.82x = 19,882,283,217.36
  5. Step 5: Solve for x
    x = 19,882,283,217.36/161,068.82
  6. Step 6: Final answer
    x = 123,439.68

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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.