Home / 116,221.44-161,160.96-112,281.60

Finding the Fourth Proportional to 116,221.44, 161,160.96 and 112,281.60

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Solution

The fourth proportional to 116,221.44, 161,160.96 and 112,281.60 is: 155,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,221.44 : 161,160.96 = 112,281.60 : x
  2. Step 2: Convert to fraction form
    116,221.44/161,160.96 = 112,281.60/x
  3. Step 3: Cross multiply
    116,221.44x = 161,160.96 × 112,281.60
  4. Step 4: Simplify right side
    116,221.44x = 18,095,410,446.34
  5. Step 5: Solve for x
    x = 18,095,410,446.34/116,221.44
  6. Step 6: Final answer
    x = 155,697.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.