Home / 156,739.24-235,114.80-51,566.68

Finding the Fourth Proportional to 156,739.24, 235,114.80 and 51,566.68

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Solution

The fourth proportional to 156,739.24, 235,114.80 and 51,566.68 is: 77,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.24 : 235,114.80 = 51,566.68 : x
  2. Step 2: Convert to fraction form
    156,739.24/235,114.80 = 51,566.68/x
  3. Step 3: Cross multiply
    156,739.24x = 235,114.80 × 51,566.68
  4. Step 4: Simplify right side
    156,739.24x = 12,124,089,654.86
  5. Step 5: Solve for x
    x = 12,124,089,654.86/156,739.24
  6. Step 6: Final answer
    x = 77,351.97

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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.