Home / 156,986.64-235,392.48-51,777.36

Finding the Fourth Proportional to 156,986.64, 235,392.48 and 51,777.36

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Solution

The fourth proportional to 156,986.64, 235,392.48 and 51,777.36 is: 77,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.64 : 235,392.48 = 51,777.36 : x
  2. Step 2: Convert to fraction form
    156,986.64/235,392.48 = 51,777.36/x
  3. Step 3: Cross multiply
    156,986.64x = 235,392.48 × 51,777.36
  4. Step 4: Simplify right side
    156,986.64x = 12,188,001,178.25
  5. Step 5: Solve for x
    x = 12,188,001,178.25/156,986.64
  6. Step 6: Final answer
    x = 77,637.19

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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.