Home / 117,216.06-161,758.56-63,500.90

Finding the Fourth Proportional to 117,216.06, 161,758.56 and 63,500.90

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Solution

The fourth proportional to 117,216.06, 161,758.56 and 63,500.90 is: 87,631.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,216.06 : 161,758.56 = 63,500.90 : x
  2. Step 2: Convert to fraction form
    117,216.06/161,758.56 = 63,500.90/x
  3. Step 3: Cross multiply
    117,216.06x = 161,758.56 × 63,500.90
  4. Step 4: Simplify right side
    117,216.06x = 10,271,814,142.70
  5. Step 5: Solve for x
    x = 10,271,814,142.70/117,216.06
  6. Step 6: Final answer
    x = 87,631.46

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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.