Home / 302,112.65-453,169.01-143,861.33

Finding the Fourth Proportional to 302,112.65, 453,169.01 and 143,861.33

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Solution

The fourth proportional to 302,112.65, 453,169.01 and 143,861.33 is: 215,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,112.65 : 453,169.01 = 143,861.33 : x
  2. Step 2: Convert to fraction form
    302,112.65/453,169.01 = 143,861.33/x
  3. Step 3: Cross multiply
    302,112.65x = 453,169.01 × 143,861.33
  4. Step 4: Simplify right side
    302,112.65x = 65,193,497,985.96
  5. Step 5: Solve for x
    x = 65,193,497,985.96/302,112.65
  6. Step 6: Final answer
    x = 215,792.01

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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.