Home / 156,578.92-234,573.12-121,346.32

Finding the Fourth Proportional to 156,578.92, 234,573.12 and 121,346.32

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Solution

The fourth proportional to 156,578.92, 234,573.12 and 121,346.32 is: 181,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,578.92 : 234,573.12 = 121,346.32 : x
  2. Step 2: Convert to fraction form
    156,578.92/234,573.12 = 121,346.32/x
  3. Step 3: Cross multiply
    156,578.92x = 234,573.12 × 121,346.32
  4. Step 4: Simplify right side
    156,578.92x = 28,464,584,882.92
  5. Step 5: Solve for x
    x = 28,464,584,882.92/156,578.92
  6. Step 6: Final answer
    x = 181,790.66

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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.