Home / 186,269.88-257,045.31-105,692.61

Finding the Fourth Proportional to 186,269.88, 257,045.31 and 105,692.61

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Solution

The fourth proportional to 186,269.88, 257,045.31 and 105,692.61 is: 145,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,269.88 : 257,045.31 = 105,692.61 : x
  2. Step 2: Convert to fraction form
    186,269.88/257,045.31 = 105,692.61/x
  3. Step 3: Cross multiply
    186,269.88x = 257,045.31 × 105,692.61
  4. Step 4: Simplify right side
    186,269.88x = 27,167,789,702.16
  5. Step 5: Solve for x
    x = 27,167,789,702.16/186,269.88
  6. Step 6: Final answer
    x = 145,851.76

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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.