Home / 113,091.60-169,637.40-106,640.40

Finding the Fourth Proportional to 113,091.60, 169,637.40 and 106,640.40

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Solution

The fourth proportional to 113,091.60, 169,637.40 and 106,640.40 is: 159,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,091.60 : 169,637.40 = 106,640.40 : x
  2. Step 2: Convert to fraction form
    113,091.60/169,637.40 = 106,640.40/x
  3. Step 3: Cross multiply
    113,091.60x = 169,637.40 × 106,640.40
  4. Step 4: Simplify right side
    113,091.60x = 18,090,200,190.96
  5. Step 5: Solve for x
    x = 18,090,200,190.96/113,091.60
  6. Step 6: Final answer
    x = 159,960.60

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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.