Home / 151,778.52-209,640.60-113,708.30

Finding the Fourth Proportional to 151,778.52, 209,640.60 and 113,708.30

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Solution

The fourth proportional to 151,778.52, 209,640.60 and 113,708.30 is: 157,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778.52 : 209,640.60 = 113,708.30 : x
  2. Step 2: Convert to fraction form
    151,778.52/209,640.60 = 113,708.30/x
  3. Step 3: Cross multiply
    151,778.52x = 209,640.60 × 113,708.30
  4. Step 4: Simplify right side
    151,778.52x = 23,837,875,188.78
  5. Step 5: Solve for x
    x = 23,837,875,188.78/151,778.52
  6. Step 6: Final answer
    x = 157,056.97

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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.