Home / 117,953.20-162,773.76-66,965.52

Finding the Fourth Proportional to 117,953.20, 162,773.76 and 66,965.52

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Solution

The fourth proportional to 117,953.20, 162,773.76 and 66,965.52 is: 92,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,953.20 : 162,773.76 = 66,965.52 : x
  2. Step 2: Convert to fraction form
    117,953.20/162,773.76 = 66,965.52/x
  3. Step 3: Cross multiply
    117,953.20x = 162,773.76 × 66,965.52
  4. Step 4: Simplify right side
    117,953.20x = 10,900,229,480.76
  5. Step 5: Solve for x
    x = 10,900,229,480.76/117,953.20
  6. Step 6: Final answer
    x = 92,411.48

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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.