Home / 175,390.05-263,124-81,844.77

Finding the Fourth Proportional to 175,390.05, 263,124 and 81,844.77

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Solution

The fourth proportional to 175,390.05, 263,124 and 81,844.77 is: 122,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,390.05 : 263,124 = 81,844.77 : x
  2. Step 2: Convert to fraction form
    175,390.05/263,124 = 81,844.77/x
  3. Step 3: Cross multiply
    175,390.05x = 263,124 × 81,844.77
  4. Step 4: Simplify right side
    175,390.05x = 21,535,323,261.48
  5. Step 5: Solve for x
    x = 21,535,323,261.48/175,390.05
  6. Step 6: Final answer
    x = 122,785.32

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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.