Home / 118,116.53-162,997.26-64,402.59

Finding the Fourth Proportional to 118,116.53, 162,997.26 and 64,402.59

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Solution

The fourth proportional to 118,116.53, 162,997.26 and 64,402.59 is: 88,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,116.53 : 162,997.26 = 64,402.59 : x
  2. Step 2: Convert to fraction form
    118,116.53/162,997.26 = 64,402.59/x
  3. Step 3: Cross multiply
    118,116.53x = 162,997.26 × 64,402.59
  4. Step 4: Simplify right side
    118,116.53x = 10,497,446,438.90
  5. Step 5: Solve for x
    x = 10,497,446,438.90/118,116.53
  6. Step 6: Final answer
    x = 88,873.64

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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.