Home / 104,025.20-156,037.80-101,109.20

Finding the Fourth Proportional to 104,025.20, 156,037.80 and 101,109.20

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Solution

The fourth proportional to 104,025.20, 156,037.80 and 101,109.20 is: 151,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.20 : 156,037.80 = 101,109.20 : x
  2. Step 2: Convert to fraction form
    104,025.20/156,037.80 = 101,109.20/x
  3. Step 3: Cross multiply
    104,025.20x = 156,037.80 × 101,109.20
  4. Step 4: Simplify right side
    104,025.20x = 15,776,857,127.76
  5. Step 5: Solve for x
    x = 15,776,857,127.76/104,025.20
  6. Step 6: Final answer
    x = 151,663.80

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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.