Home / 207,943.60-311,915.40-194,821.60

Finding the Fourth Proportional to 207,943.60, 311,915.40 and 194,821.60

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Solution

The fourth proportional to 207,943.60, 311,915.40 and 194,821.60 is: 292,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,943.60 : 311,915.40 = 194,821.60 : x
  2. Step 2: Convert to fraction form
    207,943.60/311,915.40 = 194,821.60/x
  3. Step 3: Cross multiply
    207,943.60x = 311,915.40 × 194,821.60
  4. Step 4: Simplify right side
    207,943.60x = 60,767,857,292.64
  5. Step 5: Solve for x
    x = 60,767,857,292.64/207,943.60
  6. Step 6: Final answer
    x = 292,232.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.