Home / 104,224.20-156,409.20-66,875.10

Finding the Fourth Proportional to 104,224.20, 156,409.20 and 66,875.10

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Solution

The fourth proportional to 104,224.20, 156,409.20 and 66,875.10 is: 100,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,224.20 : 156,409.20 = 66,875.10 : x
  2. Step 2: Convert to fraction form
    104,224.20/156,409.20 = 66,875.10/x
  3. Step 3: Cross multiply
    104,224.20x = 156,409.20 × 66,875.10
  4. Step 4: Simplify right side
    104,224.20x = 10,459,880,890.92
  5. Step 5: Solve for x
    x = 10,459,880,890.92/104,224.20
  6. Step 6: Final answer
    x = 100,359.43

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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.