Home / 127,944.60-191,916.90-115,697.40

Finding the Fourth Proportional to 127,944.60, 191,916.90 and 115,697.40

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Solution

The fourth proportional to 127,944.60, 191,916.90 and 115,697.40 is: 173,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.60 : 191,916.90 = 115,697.40 : x
  2. Step 2: Convert to fraction form
    127,944.60/191,916.90 = 115,697.40/x
  3. Step 3: Cross multiply
    127,944.60x = 191,916.90 × 115,697.40
  4. Step 4: Simplify right side
    127,944.60x = 22,204,286,346.06
  5. Step 5: Solve for x
    x = 22,204,286,346.06/127,944.60
  6. Step 6: Final answer
    x = 173,546.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.