Home / 117,625.12-162,322.92-63,910.20

Finding the Fourth Proportional to 117,625.12, 162,322.92 and 63,910.20

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Solution

The fourth proportional to 117,625.12, 162,322.92 and 63,910.20 is: 88,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.12 : 162,322.92 = 63,910.20 : x
  2. Step 2: Convert to fraction form
    117,625.12/162,322.92 = 63,910.20/x
  3. Step 3: Cross multiply
    117,625.12x = 162,322.92 × 63,910.20
  4. Step 4: Simplify right side
    117,625.12x = 10,374,090,281.78
  5. Step 5: Solve for x
    x = 10,374,090,281.78/117,625.12
  6. Step 6: Final answer
    x = 88,196.21

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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.