Home / 225,733.16-311,490.82-125,122.60

Finding the Fourth Proportional to 225,733.16, 311,490.82 and 125,122.60

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Solution

The fourth proportional to 225,733.16, 311,490.82 and 125,122.60 is: 172,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,733.16 : 311,490.82 = 125,122.60 : x
  2. Step 2: Convert to fraction form
    225,733.16/311,490.82 = 125,122.60/x
  3. Step 3: Cross multiply
    225,733.16x = 311,490.82 × 125,122.60
  4. Step 4: Simplify right side
    225,733.16x = 38,974,541,274.53
  5. Step 5: Solve for x
    x = 38,974,541,274.53/225,733.16
  6. Step 6: Final answer
    x = 172,657.58

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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.