Home / 112,062.20-154,797.28-89,558.91

Finding the Fourth Proportional to 112,062.20, 154,797.28 and 89,558.91

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Solution

The fourth proportional to 112,062.20, 154,797.28 and 89,558.91 is: 123,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.20 : 154,797.28 = 89,558.91 : x
  2. Step 2: Convert to fraction form
    112,062.20/154,797.28 = 89,558.91/x
  3. Step 3: Cross multiply
    112,062.20x = 154,797.28 × 89,558.91
  4. Step 4: Simplify right side
    112,062.20x = 13,863,476,360.20
  5. Step 5: Solve for x
    x = 13,863,476,360.20/112,062.20
  6. Step 6: Final answer
    x = 123,712.34

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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.