Home / 227,621.20-341,431.80-156,762.40

Finding the Fourth Proportional to 227,621.20, 341,431.80 and 156,762.40

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Solution

The fourth proportional to 227,621.20, 341,431.80 and 156,762.40 is: 235,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,621.20 : 341,431.80 = 156,762.40 : x
  2. Step 2: Convert to fraction form
    227,621.20/341,431.80 = 156,762.40/x
  3. Step 3: Cross multiply
    227,621.20x = 341,431.80 × 156,762.40
  4. Step 4: Simplify right side
    227,621.20x = 53,523,668,404.32
  5. Step 5: Solve for x
    x = 53,523,668,404.32/227,621.20
  6. Step 6: Final answer
    x = 235,143.60

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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.