Home / 135,324.54-186,746.49-74,895.30

Finding the Fourth Proportional to 135,324.54, 186,746.49 and 74,895.30

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Solution

The fourth proportional to 135,324.54, 186,746.49 and 74,895.30 is: 103,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.54 : 186,746.49 = 74,895.30 : x
  2. Step 2: Convert to fraction form
    135,324.54/186,746.49 = 74,895.30/x
  3. Step 3: Cross multiply
    135,324.54x = 186,746.49 × 74,895.30
  4. Step 4: Simplify right side
    135,324.54x = 13,986,434,392.50
  5. Step 5: Solve for x
    x = 13,986,434,392.50/135,324.54
  6. Step 6: Final answer
    x = 103,354.75

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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.