Home / 156,388.82-234,547.25-93,226.78

Finding the Fourth Proportional to 156,388.82, 234,547.25 and 93,226.78

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Solution

The fourth proportional to 156,388.82, 234,547.25 and 93,226.78 is: 139,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,388.82 : 234,547.25 = 93,226.78 : x
  2. Step 2: Convert to fraction form
    156,388.82/234,547.25 = 93,226.78/x
  3. Step 3: Cross multiply
    156,388.82x = 234,547.25 × 93,226.78
  4. Step 4: Simplify right side
    156,388.82x = 21,866,083,702.62
  5. Step 5: Solve for x
    x = 21,866,083,702.62/156,388.82
  6. Step 6: Final answer
    x = 139,818.71

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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.