Home / 157,766.12-236,718.54-82,868.86

Finding the Fourth Proportional to 157,766.12, 236,718.54 and 82,868.86

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Solution

The fourth proportional to 157,766.12, 236,718.54 and 82,868.86 is: 124,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,766.12 : 236,718.54 = 82,868.86 : x
  2. Step 2: Convert to fraction form
    157,766.12/236,718.54 = 82,868.86/x
  3. Step 3: Cross multiply
    157,766.12x = 236,718.54 × 82,868.86
  4. Step 4: Simplify right side
    157,766.12x = 19,616,595,136.32
  5. Step 5: Solve for x
    x = 19,616,595,136.32/157,766.12
  6. Step 6: Final answer
    x = 124,339.72

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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.