Home / 301,688.20-452,532.30-91,336.60

Finding the Fourth Proportional to 301,688.20, 452,532.30 and 91,336.60

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Solution

The fourth proportional to 301,688.20, 452,532.30 and 91,336.60 is: 137,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,688.20 : 452,532.30 = 91,336.60 : x
  2. Step 2: Convert to fraction form
    301,688.20/452,532.30 = 91,336.60/x
  3. Step 3: Cross multiply
    301,688.20x = 452,532.30 × 91,336.60
  4. Step 4: Simplify right side
    301,688.20x = 41,332,761,672.18
  5. Step 5: Solve for x
    x = 41,332,761,672.18/301,688.20
  6. Step 6: Final answer
    x = 137,004.90

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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.