Home / 389,212.38-583,637.13-202,173.66

Finding the Fourth Proportional to 389,212.38, 583,637.13 and 202,173.66

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Solution

The fourth proportional to 389,212.38, 583,637.13 and 202,173.66 is: 303,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,212.38 : 583,637.13 = 202,173.66 : x
  2. Step 2: Convert to fraction form
    389,212.38/583,637.13 = 202,173.66/x
  3. Step 3: Cross multiply
    389,212.38x = 583,637.13 × 202,173.66
  4. Step 4: Simplify right side
    389,212.38x = 117,996,054,684.00
  5. Step 5: Solve for x
    x = 117,996,054,684.00/389,212.38
  6. Step 6: Final answer
    x = 303,166.24

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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.