Home / 117,512.01-162,056.43-90,611.91

Finding the Fourth Proportional to 117,512.01, 162,056.43 and 90,611.91

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Solution

The fourth proportional to 117,512.01, 162,056.43 and 90,611.91 is: 124,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.01 : 162,056.43 = 90,611.91 : x
  2. Step 2: Convert to fraction form
    117,512.01/162,056.43 = 90,611.91/x
  3. Step 3: Cross multiply
    117,512.01x = 162,056.43 × 90,611.91
  4. Step 4: Simplify right side
    117,512.01x = 14,684,242,650.08
  5. Step 5: Solve for x
    x = 14,684,242,650.08/117,512.01
  6. Step 6: Final answer
    x = 124,959.51

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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.