Home / 436,189.18-654,282.78-136,692.58

Finding the Fourth Proportional to 436,189.18, 654,282.78 and 136,692.58

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Solution

The fourth proportional to 436,189.18, 654,282.78 and 136,692.58 is: 205,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,189.18 : 654,282.78 = 136,692.58 : x
  2. Step 2: Convert to fraction form
    436,189.18/654,282.78 = 136,692.58/x
  3. Step 3: Cross multiply
    436,189.18x = 654,282.78 × 136,692.58
  4. Step 4: Simplify right side
    436,189.18x = 89,435,601,247.77
  5. Step 5: Solve for x
    x = 89,435,601,247.77/436,189.18
  6. Step 6: Final answer
    x = 205,038.56

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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.