Home / 161,573.40-222,965.46-89,951.58

Finding the Fourth Proportional to 161,573.40, 222,965.46 and 89,951.58

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Solution

The fourth proportional to 161,573.40, 222,965.46 and 89,951.58 is: 124,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,573.40 : 222,965.46 = 89,951.58 : x
  2. Step 2: Convert to fraction form
    161,573.40/222,965.46 = 89,951.58/x
  3. Step 3: Cross multiply
    161,573.40x = 222,965.46 × 89,951.58
  4. Step 4: Simplify right side
    161,573.40x = 20,056,095,412.43
  5. Step 5: Solve for x
    x = 20,056,095,412.43/161,573.40
  6. Step 6: Final answer
    x = 124,129.93

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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.