Home / 161,364.70-222,666.21-89,733.16

Finding the Fourth Proportional to 161,364.70, 222,666.21 and 89,733.16

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Solution

The fourth proportional to 161,364.70, 222,666.21 and 89,733.16 is: 123,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,364.70 : 222,666.21 = 89,733.16 : x
  2. Step 2: Convert to fraction form
    161,364.70/222,666.21 = 89,733.16/x
  3. Step 3: Cross multiply
    161,364.70x = 222,666.21 × 89,733.16
  4. Step 4: Simplify right side
    161,364.70x = 19,980,542,648.52
  5. Step 5: Solve for x
    x = 19,980,542,648.52/161,364.70
  6. Step 6: Final answer
    x = 123,822.27

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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.