Home / 134,806.31-186,024.07-74,376.95

Finding the Fourth Proportional to 134,806.31, 186,024.07 and 74,376.95

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Solution

The fourth proportional to 134,806.31, 186,024.07 and 74,376.95 is: 102,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,806.31 : 186,024.07 = 74,376.95 : x
  2. Step 2: Convert to fraction form
    134,806.31/186,024.07 = 74,376.95/x
  3. Step 3: Cross multiply
    134,806.31x = 186,024.07 × 74,376.95
  4. Step 4: Simplify right side
    134,806.31x = 13,835,901,651.18
  5. Step 5: Solve for x
    x = 13,835,901,651.18/134,806.31
  6. Step 6: Final answer
    x = 102,635.42

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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.