Home / 451,837.11-677,340.95-156,141.75

Finding the Fourth Proportional to 451,837.11, 677,340.95 and 156,141.75

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Solution

The fourth proportional to 451,837.11, 677,340.95 and 156,141.75 is: 234,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,837.11 : 677,340.95 = 156,141.75 : x
  2. Step 2: Convert to fraction form
    451,837.11/677,340.95 = 156,141.75/x
  3. Step 3: Cross multiply
    451,837.11x = 677,340.95 × 156,141.75
  4. Step 4: Simplify right side
    451,837.11x = 105,761,200,498.95
  5. Step 5: Solve for x
    x = 105,761,200,498.95/451,837.11
  6. Step 6: Final answer
    x = 234,069.31

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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.