Home / 227,621.40-341,432.10-156,762.60

Finding the Fourth Proportional to 227,621.40, 341,432.10 and 156,762.60

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Solution

The fourth proportional to 227,621.40, 341,432.10 and 156,762.60 is: 235,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,621.40 : 341,432.10 = 156,762.60 : x
  2. Step 2: Convert to fraction form
    227,621.40/341,432.10 = 156,762.60/x
  3. Step 3: Cross multiply
    227,621.40x = 341,432.10 × 156,762.60
  4. Step 4: Simplify right side
    227,621.40x = 53,523,783,719.46
  5. Step 5: Solve for x
    x = 53,523,783,719.46/227,621.40
  6. Step 6: Final answer
    x = 235,143.90

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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.