Home / 117,937.28-162,766.46-72,606.24

Finding the Fourth Proportional to 117,937.28, 162,766.46 and 72,606.24

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Solution

The fourth proportional to 117,937.28, 162,766.46 and 72,606.24 is: 100,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,937.28 : 162,766.46 = 72,606.24 : x
  2. Step 2: Convert to fraction form
    117,937.28/162,766.46 = 72,606.24/x
  3. Step 3: Cross multiply
    117,937.28x = 162,766.46 × 72,606.24
  4. Step 4: Simplify right side
    117,937.28x = 11,817,860,840.23
  5. Step 5: Solve for x
    x = 11,817,860,840.23/117,937.28
  6. Step 6: Final answer
    x = 100,204.62

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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.