Home / 234,638.81-323,777.32-143,998.59

Finding the Fourth Proportional to 234,638.81, 323,777.32 and 143,998.59

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Solution

The fourth proportional to 234,638.81, 323,777.32 and 143,998.59 is: 198,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,638.81 : 323,777.32 = 143,998.59 : x
  2. Step 2: Convert to fraction form
    234,638.81/323,777.32 = 143,998.59/x
  3. Step 3: Cross multiply
    234,638.81x = 323,777.32 × 143,998.59
  4. Step 4: Simplify right side
    234,638.81x = 46,623,477,553.98
  5. Step 5: Solve for x
    x = 46,623,477,553.98/234,638.81
  6. Step 6: Final answer
    x = 198,703.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.