Home / 156,879.18-235,316.70-38,551.56

Finding the Fourth Proportional to 156,879.18, 235,316.70 and 38,551.56

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Solution

The fourth proportional to 156,879.18, 235,316.70 and 38,551.56 is: 57,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,879.18 : 235,316.70 = 38,551.56 : x
  2. Step 2: Convert to fraction form
    156,879.18/235,316.70 = 38,551.56/x
  3. Step 3: Cross multiply
    156,879.18x = 235,316.70 × 38,551.56
  4. Step 4: Simplify right side
    156,879.18x = 9,071,825,879.05
  5. Step 5: Solve for x
    x = 9,071,825,879.05/156,879.18
  6. Step 6: Final answer
    x = 57,826.83

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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.