Home / 134,924.20-186,194.56-74,494.32

Finding the Fourth Proportional to 134,924.20, 186,194.56 and 74,494.32

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Solution

The fourth proportional to 134,924.20, 186,194.56 and 74,494.32 is: 102,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,924.20 : 186,194.56 = 74,494.32 : x
  2. Step 2: Convert to fraction form
    134,924.20/186,194.56 = 74,494.32/x
  3. Step 3: Cross multiply
    134,924.20x = 186,194.56 × 74,494.32
  4. Step 4: Simplify right side
    134,924.20x = 13,870,437,134.90
  5. Step 5: Solve for x
    x = 13,870,437,134.90/134,924.20
  6. Step 6: Final answer
    x = 102,801.70

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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.