Home / 151,591.41-209,197.76-83,611.35

Finding the Fourth Proportional to 151,591.41, 209,197.76 and 83,611.35

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Solution

The fourth proportional to 151,591.41, 209,197.76 and 83,611.35 is: 115,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,591.41 : 209,197.76 = 83,611.35 : x
  2. Step 2: Convert to fraction form
    151,591.41/209,197.76 = 83,611.35/x
  3. Step 3: Cross multiply
    151,591.41x = 209,197.76 × 83,611.35
  4. Step 4: Simplify right side
    151,591.41x = 17,491,306,712.52
  5. Step 5: Solve for x
    x = 17,491,306,712.52/151,591.41
  6. Step 6: Final answer
    x = 115,384.55

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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.