Home / 229,228.20-343,840.78-124,711.48

Finding the Fourth Proportional to 229,228.20, 343,840.78 and 124,711.48

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Solution

The fourth proportional to 229,228.20, 343,840.78 and 124,711.48 is: 187,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,228.20 : 343,840.78 = 124,711.48 : x
  2. Step 2: Convert to fraction form
    229,228.20/343,840.78 = 124,711.48/x
  3. Step 3: Cross multiply
    229,228.20x = 343,840.78 × 124,711.48
  4. Step 4: Simplify right side
    229,228.20x = 42,880,892,558.15
  5. Step 5: Solve for x
    x = 42,880,892,558.15/229,228.20
  6. Step 6: Final answer
    x = 187,066.39

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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.