Home / 108,506.37-149,778.10-88,328.23

Finding the Fourth Proportional to 108,506.37, 149,778.10 and 88,328.23

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Solution

The fourth proportional to 108,506.37, 149,778.10 and 88,328.23 is: 121,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,506.37 : 149,778.10 = 88,328.23 : x
  2. Step 2: Convert to fraction form
    108,506.37/149,778.10 = 88,328.23/x
  3. Step 3: Cross multiply
    108,506.37x = 149,778.10 × 88,328.23
  4. Step 4: Simplify right side
    108,506.37x = 13,229,634,201.73
  5. Step 5: Solve for x
    x = 13,229,634,201.73/108,506.37
  6. Step 6: Final answer
    x = 121,924.95

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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.