Home / 125,898.07-188,752.77-75,966.37

Finding the Fourth Proportional to 125,898.07, 188,752.77 and 75,966.37

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Solution

The fourth proportional to 125,898.07, 188,752.77 and 75,966.37 is: 113,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.07 : 188,752.77 = 75,966.37 : x
  2. Step 2: Convert to fraction form
    125,898.07/188,752.77 = 75,966.37/x
  3. Step 3: Cross multiply
    125,898.07x = 188,752.77 × 75,966.37
  4. Step 4: Simplify right side
    125,898.07x = 14,338,862,764.34
  5. Step 5: Solve for x
    x = 14,338,862,764.34/125,898.07
  6. Step 6: Final answer
    x = 113,892.63

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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.