Home / 117,625.28-162,320.92-63,911.12

Finding the Fourth Proportional to 117,625.28, 162,320.92 and 63,911.12

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Solution

The fourth proportional to 117,625.28, 162,320.92 and 63,911.12 is: 88,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.28 : 162,320.92 = 63,911.12 : x
  2. Step 2: Convert to fraction form
    117,625.28/162,320.92 = 63,911.12/x
  3. Step 3: Cross multiply
    117,625.28x = 162,320.92 × 63,911.12
  4. Step 4: Simplify right side
    117,625.28x = 10,374,111,796.63
  5. Step 5: Solve for x
    x = 10,374,111,796.63/117,625.28
  6. Step 6: Final answer
    x = 88,196.28

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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.