Home / 135,367.27-186,803.89-74,113.32

Finding the Fourth Proportional to 135,367.27, 186,803.89 and 74,113.32

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Solution

The fourth proportional to 135,367.27, 186,803.89 and 74,113.32 is: 102,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,367.27 : 186,803.89 = 74,113.32 : x
  2. Step 2: Convert to fraction form
    135,367.27/186,803.89 = 74,113.32/x
  3. Step 3: Cross multiply
    135,367.27x = 186,803.89 × 74,113.32
  4. Step 4: Simplify right side
    135,367.27x = 13,844,656,476.81
  5. Step 5: Solve for x
    x = 13,844,656,476.81/135,367.27
  6. Step 6: Final answer
    x = 102,274.77

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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.