Home / 107,128.24-160,511.46-64,880.86

Finding the Fourth Proportional to 107,128.24, 160,511.46 and 64,880.86

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Solution

The fourth proportional to 107,128.24, 160,511.46 and 64,880.86 is: 97,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,128.24 : 160,511.46 = 64,880.86 : x
  2. Step 2: Convert to fraction form
    107,128.24/160,511.46 = 64,880.86/x
  3. Step 3: Cross multiply
    107,128.24x = 160,511.46 × 64,880.86
  4. Step 4: Simplify right side
    107,128.24x = 10,414,121,564.66
  5. Step 5: Solve for x
    x = 10,414,121,564.66/107,128.24
  6. Step 6: Final answer
    x = 97,211.73

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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.