Home / 186,262.94-257,078.28-105,697.95

Finding the Fourth Proportional to 186,262.94, 257,078.28 and 105,697.95

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Solution

The fourth proportional to 186,262.94, 257,078.28 and 105,697.95 is: 145,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,262.94 : 257,078.28 = 105,697.95 : x
  2. Step 2: Convert to fraction form
    186,262.94/257,078.28 = 105,697.95/x
  3. Step 3: Cross multiply
    186,262.94x = 257,078.28 × 105,697.95
  4. Step 4: Simplify right side
    186,262.94x = 27,172,647,185.53
  5. Step 5: Solve for x
    x = 27,172,647,185.53/186,262.94
  6. Step 6: Final answer
    x = 145,883.28

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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.