Home / 317,523.20-438,186.56-174,280.64

Finding the Fourth Proportional to 317,523.20, 438,186.56 and 174,280.64

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Solution

The fourth proportional to 317,523.20, 438,186.56 and 174,280.64 is: 240,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,523.20 : 438,186.56 = 174,280.64 : x
  2. Step 2: Convert to fraction form
    317,523.20/438,186.56 = 174,280.64/x
  3. Step 3: Cross multiply
    317,523.20x = 438,186.56 × 174,280.64
  4. Step 4: Simplify right side
    317,523.20x = 76,367,434,116.20
  5. Step 5: Solve for x
    x = 76,367,434,116.20/317,523.20
  6. Step 6: Final answer
    x = 240,509.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.