Home / 117,512.72-162,156.84-67,210.64

Finding the Fourth Proportional to 117,512.72, 162,156.84 and 67,210.64

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Solution

The fourth proportional to 117,512.72, 162,156.84 and 67,210.64 is: 92,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.72 : 162,156.84 = 67,210.64 : x
  2. Step 2: Convert to fraction form
    117,512.72/162,156.84 = 67,210.64/x
  3. Step 3: Cross multiply
    117,512.72x = 162,156.84 × 67,210.64
  4. Step 4: Simplify right side
    117,512.72x = 10,898,664,996.78
  5. Step 5: Solve for x
    x = 10,898,664,996.78/117,512.72
  6. Step 6: Final answer
    x = 92,744.56

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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.