Home / 198,529.16-274,002.90-144,991.40

Finding the Fourth Proportional to 198,529.16, 274,002.90 and 144,991.40

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Solution

The fourth proportional to 198,529.16, 274,002.90 and 144,991.40 is: 200,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,529.16 : 274,002.90 = 144,991.40 : x
  2. Step 2: Convert to fraction form
    198,529.16/274,002.90 = 144,991.40/x
  3. Step 3: Cross multiply
    198,529.16x = 274,002.90 × 144,991.40
  4. Step 4: Simplify right side
    198,529.16x = 39,728,064,075.06
  5. Step 5: Solve for x
    x = 39,728,064,075.06/198,529.16
  6. Step 6: Final answer
    x = 200,111.98

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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.