Home / 101,466.06-140,062.41-90,837.24

Finding the Fourth Proportional to 101,466.06, 140,062.41 and 90,837.24

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Solution

The fourth proportional to 101,466.06, 140,062.41 and 90,837.24 is: 125,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,466.06 : 140,062.41 = 90,837.24 : x
  2. Step 2: Convert to fraction form
    101,466.06/140,062.41 = 90,837.24/x
  3. Step 3: Cross multiply
    101,466.06x = 140,062.41 × 90,837.24
  4. Step 4: Simplify right side
    101,466.06x = 12,722,882,752.15
  5. Step 5: Solve for x
    x = 12,722,882,752.15/101,466.06
  6. Step 6: Final answer
    x = 125,390.53

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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.