Home / 134,794.13-186,016.52-74,364.75

Finding the Fourth Proportional to 134,794.13, 186,016.52 and 74,364.75

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Solution

The fourth proportional to 134,794.13, 186,016.52 and 74,364.75 is: 102,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,794.13 : 186,016.52 = 74,364.75 : x
  2. Step 2: Convert to fraction form
    134,794.13/186,016.52 = 74,364.75/x
  3. Step 3: Cross multiply
    134,794.13x = 186,016.52 × 74,364.75
  4. Step 4: Simplify right side
    134,794.13x = 13,833,072,191.58
  5. Step 5: Solve for x
    x = 13,833,072,191.58/134,794.13
  6. Step 6: Final answer
    x = 102,623.70

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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.