Home / 434,232.72-651,390.36-134,716.56

Finding the Fourth Proportional to 434,232.72, 651,390.36 and 134,716.56

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Solution

The fourth proportional to 434,232.72, 651,390.36 and 134,716.56 is: 202,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,232.72 : 651,390.36 = 134,716.56 : x
  2. Step 2: Convert to fraction form
    434,232.72/651,390.36 = 134,716.56/x
  3. Step 3: Cross multiply
    434,232.72x = 651,390.36 × 134,716.56
  4. Step 4: Simplify right side
    434,232.72x = 87,753,068,516.36
  5. Step 5: Solve for x
    x = 87,753,068,516.36/434,232.72
  6. Step 6: Final answer
    x = 202,087.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.