Home / 185,835.64-256,431.42-109,337.91

Finding the Fourth Proportional to 185,835.64, 256,431.42 and 109,337.91

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Solution

The fourth proportional to 185,835.64, 256,431.42 and 109,337.91 is: 150,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,835.64 : 256,431.42 = 109,337.91 : x
  2. Step 2: Convert to fraction form
    185,835.64/256,431.42 = 109,337.91/x
  3. Step 3: Cross multiply
    185,835.64x = 256,431.42 × 109,337.91
  4. Step 4: Simplify right side
    185,835.64x = 28,037,675,521.13
  5. Step 5: Solve for x
    x = 28,037,675,521.13/185,835.64
  6. Step 6: Final answer
    x = 150,873.51

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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.