Home / 230,328.50-317,840.19-126,942.15

Finding the Fourth Proportional to 230,328.50, 317,840.19 and 126,942.15

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Solution

The fourth proportional to 230,328.50, 317,840.19 and 126,942.15 is: 175,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,328.50 : 317,840.19 = 126,942.15 : x
  2. Step 2: Convert to fraction form
    230,328.50/317,840.19 = 126,942.15/x
  3. Step 3: Cross multiply
    230,328.50x = 317,840.19 × 126,942.15
  4. Step 4: Simplify right side
    230,328.50x = 40,347,317,790.88
  5. Step 5: Solve for x
    x = 40,347,317,790.88/230,328.50
  6. Step 6: Final answer
    x = 175,172.93

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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.