Home / 227,931.68-341,912.10-87,690.30

Finding the Fourth Proportional to 227,931.68, 341,912.10 and 87,690.30

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Solution

The fourth proportional to 227,931.68, 341,912.10 and 87,690.30 is: 131,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931.68 : 341,912.10 = 87,690.30 : x
  2. Step 2: Convert to fraction form
    227,931.68/341,912.10 = 87,690.30/x
  3. Step 3: Cross multiply
    227,931.68x = 341,912.10 × 87,690.30
  4. Step 4: Simplify right side
    227,931.68x = 29,982,374,622.63
  5. Step 5: Solve for x
    x = 29,982,374,622.63/227,931.68
  6. Step 6: Final answer
    x = 131,541.06

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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.