Home / 192,457.30-288,297.15-133,359.70

Finding the Fourth Proportional to 192,457.30, 288,297.15 and 133,359.70

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Solution

The fourth proportional to 192,457.30, 288,297.15 and 133,359.70 is: 199,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,457.30 : 288,297.15 = 133,359.70 : x
  2. Step 2: Convert to fraction form
    192,457.30/288,297.15 = 133,359.70/x
  3. Step 3: Cross multiply
    192,457.30x = 288,297.15 × 133,359.70
  4. Step 4: Simplify right side
    192,457.30x = 38,447,221,434.86
  5. Step 5: Solve for x
    x = 38,447,221,434.86/192,457.30
  6. Step 6: Final answer
    x = 199,770.14

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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.