Home / 126,025.30-173,918.10-69,436.66

Finding the Fourth Proportional to 126,025.30, 173,918.10 and 69,436.66

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Solution

The fourth proportional to 126,025.30, 173,918.10 and 69,436.66 is: 95,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,025.30 : 173,918.10 = 69,436.66 : x
  2. Step 2: Convert to fraction form
    126,025.30/173,918.10 = 69,436.66/x
  3. Step 3: Cross multiply
    126,025.30x = 173,918.10 × 69,436.66
  4. Step 4: Simplify right side
    126,025.30x = 12,076,291,977.55
  5. Step 5: Solve for x
    x = 12,076,291,977.55/126,025.30
  6. Step 6: Final answer
    x = 95,824.35

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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.