Home / 161,543.96-222,999.58-115,006.83

Finding the Fourth Proportional to 161,543.96, 222,999.58 and 115,006.83

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Solution

The fourth proportional to 161,543.96, 222,999.58 and 115,006.83 is: 158,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.96 : 222,999.58 = 115,006.83 : x
  2. Step 2: Convert to fraction form
    161,543.96/222,999.58 = 115,006.83/x
  3. Step 3: Cross multiply
    161,543.96x = 222,999.58 × 115,006.83
  4. Step 4: Simplify right side
    161,543.96x = 25,646,474,787.13
  5. Step 5: Solve for x
    x = 25,646,474,787.13/161,543.96
  6. Step 6: Final answer
    x = 158,758.49

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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.