Home / 134,904.19-186,162.89-74,473.53

Finding the Fourth Proportional to 134,904.19, 186,162.89 and 74,473.53

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Solution

The fourth proportional to 134,904.19, 186,162.89 and 74,473.53 is: 102,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.19 : 186,162.89 = 74,473.53 : x
  2. Step 2: Convert to fraction form
    134,904.19/186,162.89 = 74,473.53/x
  3. Step 3: Cross multiply
    134,904.19x = 186,162.89 × 74,473.53
  4. Step 4: Simplify right side
    134,904.19x = 13,864,207,573.30
  5. Step 5: Solve for x
    x = 13,864,207,573.30/134,904.19
  6. Step 6: Final answer
    x = 102,770.77

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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.