Home / 161,033.73-222,222.27-89,411.91

Finding the Fourth Proportional to 161,033.73, 222,222.27 and 89,411.91

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Solution

The fourth proportional to 161,033.73, 222,222.27 and 89,411.91 is: 123,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,033.73 : 222,222.27 = 89,411.91 : x
  2. Step 2: Convert to fraction form
    161,033.73/222,222.27 = 89,411.91/x
  3. Step 3: Cross multiply
    161,033.73x = 222,222.27 × 89,411.91
  4. Step 4: Simplify right side
    161,033.73x = 19,869,317,605.24
  5. Step 5: Solve for x
    x = 19,869,317,605.24/161,033.73
  6. Step 6: Final answer
    x = 123,386.06

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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.