Home / 156,490.36-234,752.80-49,849.51

Finding the Fourth Proportional to 156,490.36, 234,752.80 and 49,849.51

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Solution

The fourth proportional to 156,490.36, 234,752.80 and 49,849.51 is: 74,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,490.36 : 234,752.80 = 49,849.51 : x
  2. Step 2: Convert to fraction form
    156,490.36/234,752.80 = 49,849.51/x
  3. Step 3: Cross multiply
    156,490.36x = 234,752.80 × 49,849.51
  4. Step 4: Simplify right side
    156,490.36x = 11,702,311,339.62
  5. Step 5: Solve for x
    x = 11,702,311,339.62/156,490.36
  6. Step 6: Final answer
    x = 74,779.76

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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.