Home / 185,680.32-256,240.08-100,797.72

Finding the Fourth Proportional to 185,680.32, 256,240.08 and 100,797.72

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Solution

The fourth proportional to 185,680.32, 256,240.08 and 100,797.72 is: 139,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,680.32 : 256,240.08 = 100,797.72 : x
  2. Step 2: Convert to fraction form
    185,680.32/256,240.08 = 100,797.72/x
  3. Step 3: Cross multiply
    185,680.32x = 256,240.08 × 100,797.72
  4. Step 4: Simplify right side
    185,680.32x = 25,828,415,836.62
  5. Step 5: Solve for x
    x = 25,828,415,836.62/185,680.32
  6. Step 6: Final answer
    x = 139,101.53

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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.