Home / 235,484.28-324,976.86-134,901.72

Finding the Fourth Proportional to 235,484.28, 324,976.86 and 134,901.72

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Solution

The fourth proportional to 235,484.28, 324,976.86 and 134,901.72 is: 186,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,484.28 : 324,976.86 = 134,901.72 : x
  2. Step 2: Convert to fraction form
    235,484.28/324,976.86 = 134,901.72/x
  3. Step 3: Cross multiply
    235,484.28x = 324,976.86 × 134,901.72
  4. Step 4: Simplify right side
    235,484.28x = 43,839,937,374.20
  5. Step 5: Solve for x
    x = 43,839,937,374.20/235,484.28
  6. Step 6: Final answer
    x = 186,169.27

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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.