Home / 108,156.18-149,240.70-60,403.44

Finding the Fourth Proportional to 108,156.18, 149,240.70 and 60,403.44

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Solution

The fourth proportional to 108,156.18, 149,240.70 and 60,403.44 is: 83,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,156.18 : 149,240.70 = 60,403.44 : x
  2. Step 2: Convert to fraction form
    108,156.18/149,240.70 = 60,403.44/x
  3. Step 3: Cross multiply
    108,156.18x = 149,240.70 × 60,403.44
  4. Step 4: Simplify right side
    108,156.18x = 9,014,651,668.01
  5. Step 5: Solve for x
    x = 9,014,651,668.01/108,156.18
  6. Step 6: Final answer
    x = 83,348.47

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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.