Home / 113,222.44-156,255.13-67,899.60

Finding the Fourth Proportional to 113,222.44, 156,255.13 and 67,899.60

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Solution

The fourth proportional to 113,222.44, 156,255.13 and 67,899.60 is: 93,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,222.44 : 156,255.13 = 67,899.60 : x
  2. Step 2: Convert to fraction form
    113,222.44/156,255.13 = 67,899.60/x
  3. Step 3: Cross multiply
    113,222.44x = 156,255.13 × 67,899.60
  4. Step 4: Simplify right side
    113,222.44x = 10,609,660,909.82
  5. Step 5: Solve for x
    x = 10,609,660,909.82/113,222.44
  6. Step 6: Final answer
    x = 93,706.34

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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.