Home / 186,977.88-257,898.52-126,521.91

Finding the Fourth Proportional to 186,977.88, 257,898.52 and 126,521.91

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Solution

The fourth proportional to 186,977.88, 257,898.52 and 126,521.91 is: 174,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,977.88 : 257,898.52 = 126,521.91 : x
  2. Step 2: Convert to fraction form
    186,977.88/257,898.52 = 126,521.91/x
  3. Step 3: Cross multiply
    186,977.88x = 257,898.52 × 126,521.91
  4. Step 4: Simplify right side
    186,977.88x = 32,629,813,336.57
  5. Step 5: Solve for x
    x = 32,629,813,336.57/186,977.88
  6. Step 6: Final answer
    x = 174,511.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.