Home / 207,922.60-311,883.90-186,927.40

Finding the Fourth Proportional to 207,922.60, 311,883.90 and 186,927.40

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Solution

The fourth proportional to 207,922.60, 311,883.90 and 186,927.40 is: 280,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.60 : 311,883.90 = 186,927.40 : x
  2. Step 2: Convert to fraction form
    207,922.60/311,883.90 = 186,927.40/x
  3. Step 3: Cross multiply
    207,922.60x = 311,883.90 × 186,927.40
  4. Step 4: Simplify right side
    207,922.60x = 58,299,646,528.86
  5. Step 5: Solve for x
    x = 58,299,646,528.86/207,922.60
  6. Step 6: Final answer
    x = 280,391.10

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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.