Home / 185,834.64-256,430.04-109,336.91

Finding the Fourth Proportional to 185,834.64, 256,430.04 and 109,336.91

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Solution

The fourth proportional to 185,834.64, 256,430.04 and 109,336.91 is: 150,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,834.64 : 256,430.04 = 109,336.91 : x
  2. Step 2: Convert to fraction form
    185,834.64/256,430.04 = 109,336.91/x
  3. Step 3: Cross multiply
    185,834.64x = 256,430.04 × 109,336.91
  4. Step 4: Simplify right side
    185,834.64x = 28,037,267,848.84
  5. Step 5: Solve for x
    x = 28,037,267,848.84/185,834.64
  6. Step 6: Final answer
    x = 150,872.13

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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.