Home / 156,244.87-234,053.83-71,887.51

Finding the Fourth Proportional to 156,244.87, 234,053.83 and 71,887.51

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Solution

The fourth proportional to 156,244.87, 234,053.83 and 71,887.51 is: 107,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,244.87 : 234,053.83 = 71,887.51 : x
  2. Step 2: Convert to fraction form
    156,244.87/234,053.83 = 71,887.51/x
  3. Step 3: Cross multiply
    156,244.87x = 234,053.83 × 71,887.51
  4. Step 4: Simplify right side
    156,244.87x = 16,825,547,044.66
  5. Step 5: Solve for x
    x = 16,825,547,044.66/156,244.87
  6. Step 6: Final answer
    x = 107,687.04

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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.