Home / 185,607.88-256,136.16-109,135.60

Finding the Fourth Proportional to 185,607.88, 256,136.16 and 109,135.60

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Solution

The fourth proportional to 185,607.88, 256,136.16 and 109,135.60 is: 150,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,607.88 : 256,136.16 = 109,135.60 : x
  2. Step 2: Convert to fraction form
    185,607.88/256,136.16 = 109,135.60/x
  3. Step 3: Cross multiply
    185,607.88x = 256,136.16 × 109,135.60
  4. Step 4: Simplify right side
    185,607.88x = 27,953,573,503.30
  5. Step 5: Solve for x
    x = 27,953,573,503.30/185,607.88
  6. Step 6: Final answer
    x = 150,605.53

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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.