Home / 228,964.84-315,960.24-126,982.32

Finding the Fourth Proportional to 228,964.84, 315,960.24 and 126,982.32

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Solution

The fourth proportional to 228,964.84, 315,960.24 and 126,982.32 is: 175,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,964.84 : 315,960.24 = 126,982.32 : x
  2. Step 2: Convert to fraction form
    228,964.84/315,960.24 = 126,982.32/x
  3. Step 3: Cross multiply
    228,964.84x = 315,960.24 × 126,982.32
  4. Step 4: Simplify right side
    228,964.84x = 40,121,364,302.96
  5. Step 5: Solve for x
    x = 40,121,364,302.96/228,964.84
  6. Step 6: Final answer
    x = 175,229.37

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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.