Home / 104,121.68-156,192.12-34,001.36

Finding the Fourth Proportional to 104,121.68, 156,192.12 and 34,001.36

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Solution

The fourth proportional to 104,121.68, 156,192.12 and 34,001.36 is: 51,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,121.68 : 156,192.12 = 34,001.36 : x
  2. Step 2: Convert to fraction form
    104,121.68/156,192.12 = 34,001.36/x
  3. Step 3: Cross multiply
    104,121.68x = 156,192.12 × 34,001.36
  4. Step 4: Simplify right side
    104,121.68x = 5,310,744,501.28
  5. Step 5: Solve for x
    x = 5,310,744,501.28/104,121.68
  6. Step 6: Final answer
    x = 51,005.17

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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.