Home / 134,949.12-186,228.72-74,523.84

Finding the Fourth Proportional to 134,949.12, 186,228.72 and 74,523.84

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Solution

The fourth proportional to 134,949.12, 186,228.72 and 74,523.84 is: 102,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,949.12 : 186,228.72 = 74,523.84 : x
  2. Step 2: Convert to fraction form
    134,949.12/186,228.72 = 74,523.84/x
  3. Step 3: Cross multiply
    134,949.12x = 186,228.72 × 74,523.84
  4. Step 4: Simplify right side
    134,949.12x = 13,878,479,332.68
  5. Step 5: Solve for x
    x = 13,878,479,332.68/134,949.12
  6. Step 6: Final answer
    x = 102,842.31

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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.