Home / 112,176.52-154,797.78-69,734.32

Finding the Fourth Proportional to 112,176.52, 154,797.78 and 69,734.32

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Solution

The fourth proportional to 112,176.52, 154,797.78 and 69,734.32 is: 96,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.52 : 154,797.78 = 69,734.32 : x
  2. Step 2: Convert to fraction form
    112,176.52/154,797.78 = 69,734.32/x
  3. Step 3: Cross multiply
    112,176.52x = 154,797.78 × 69,734.32
  4. Step 4: Simplify right side
    112,176.52x = 10,794,717,925.81
  5. Step 5: Solve for x
    x = 10,794,717,925.81/112,176.52
  6. Step 6: Final answer
    x = 96,229.75

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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.