Home / 126,396.92-174,420.60-75,467.18

Finding the Fourth Proportional to 126,396.92, 174,420.60 and 75,467.18

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Solution

The fourth proportional to 126,396.92, 174,420.60 and 75,467.18 is: 104,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,396.92 : 174,420.60 = 75,467.18 : x
  2. Step 2: Convert to fraction form
    126,396.92/174,420.60 = 75,467.18/x
  3. Step 3: Cross multiply
    126,396.92x = 174,420.60 × 75,467.18
  4. Step 4: Simplify right side
    126,396.92x = 13,163,030,815.91
  5. Step 5: Solve for x
    x = 13,163,030,815.91/126,396.92
  6. Step 6: Final answer
    x = 104,140.44

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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.