Home / 226,723.50-312,880.26-126,121.50

Finding the Fourth Proportional to 226,723.50, 312,880.26 and 126,121.50

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Solution

The fourth proportional to 226,723.50, 312,880.26 and 126,121.50 is: 174,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,723.50 : 312,880.26 = 126,121.50 : x
  2. Step 2: Convert to fraction form
    226,723.50/312,880.26 = 126,121.50/x
  3. Step 3: Cross multiply
    226,723.50x = 312,880.26 × 126,121.50
  4. Step 4: Simplify right side
    226,723.50x = 39,460,927,711.59
  5. Step 5: Solve for x
    x = 39,460,927,711.59/226,723.50
  6. Step 6: Final answer
    x = 174,048.69

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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.