Home / 156,768.38-216,334.22-93,104.54

Finding the Fourth Proportional to 156,768.38, 216,334.22 and 93,104.54

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Solution

The fourth proportional to 156,768.38, 216,334.22 and 93,104.54 is: 128,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.38 : 216,334.22 = 93,104.54 : x
  2. Step 2: Convert to fraction form
    156,768.38/216,334.22 = 93,104.54/x
  3. Step 3: Cross multiply
    156,768.38x = 216,334.22 × 93,104.54
  4. Step 4: Simplify right side
    156,768.38x = 20,141,698,039.36
  5. Step 5: Solve for x
    x = 20,141,698,039.36/156,768.38
  6. Step 6: Final answer
    x = 128,480.62

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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.