Home / 108,225.36-149,254.28-67,942.86

Finding the Fourth Proportional to 108,225.36, 149,254.28 and 67,942.86

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Solution

The fourth proportional to 108,225.36, 149,254.28 and 67,942.86 is: 93,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,225.36 : 149,254.28 = 67,942.86 : x
  2. Step 2: Convert to fraction form
    108,225.36/149,254.28 = 67,942.86/x
  3. Step 3: Cross multiply
    108,225.36x = 149,254.28 × 67,942.86
  4. Step 4: Simplify right side
    108,225.36x = 10,140,762,650.44
  5. Step 5: Solve for x
    x = 10,140,762,650.44/108,225.36
  6. Step 6: Final answer
    x = 93,700.43

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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.