Home / 194,636.80-291,792.96-82,403.20

Finding the Fourth Proportional to 194,636.80, 291,792.96 and 82,403.20

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Solution

The fourth proportional to 194,636.80, 291,792.96 and 82,403.20 is: 123,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,636.80 : 291,792.96 = 82,403.20 : x
  2. Step 2: Convert to fraction form
    194,636.80/291,792.96 = 82,403.20/x
  3. Step 3: Cross multiply
    194,636.80x = 291,792.96 × 82,403.20
  4. Step 4: Simplify right side
    194,636.80x = 24,044,673,641.47
  5. Step 5: Solve for x
    x = 24,044,673,641.47/194,636.80
  6. Step 6: Final answer
    x = 123,536.11

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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.