Home / 156,960.45-235,448.93-51,787.62

Finding the Fourth Proportional to 156,960.45, 235,448.93 and 51,787.62

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Solution

The fourth proportional to 156,960.45, 235,448.93 and 51,787.62 is: 77,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.45 : 235,448.93 = 51,787.62 : x
  2. Step 2: Convert to fraction form
    156,960.45/235,448.93 = 51,787.62/x
  3. Step 3: Cross multiply
    156,960.45x = 235,448.93 × 51,787.62
  4. Step 4: Simplify right side
    156,960.45x = 12,193,339,457.31
  5. Step 5: Solve for x
    x = 12,193,339,457.31/156,960.45
  6. Step 6: Final answer
    x = 77,684.15

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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.