Home / 156,993.49-235,457.25-51,787.81

Finding the Fourth Proportional to 156,993.49, 235,457.25 and 51,787.81

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Solution

The fourth proportional to 156,993.49, 235,457.25 and 51,787.81 is: 77,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,993.49 : 235,457.25 = 51,787.81 : x
  2. Step 2: Convert to fraction form
    156,993.49/235,457.25 = 51,787.81/x
  3. Step 3: Cross multiply
    156,993.49x = 235,457.25 × 51,787.81
  4. Step 4: Simplify right side
    156,993.49x = 12,193,815,326.12
  5. Step 5: Solve for x
    x = 12,193,815,326.12/156,993.49
  6. Step 6: Final answer
    x = 77,670.83

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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.