Home / 374,198.12-561,040.98-134,306.70

Finding the Fourth Proportional to 374,198.12, 561,040.98 and 134,306.70

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Solution

The fourth proportional to 374,198.12, 561,040.98 and 134,306.70 is: 201,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,198.12 : 561,040.98 = 134,306.70 : x
  2. Step 2: Convert to fraction form
    374,198.12/561,040.98 = 134,306.70/x
  3. Step 3: Cross multiply
    374,198.12x = 561,040.98 × 134,306.70
  4. Step 4: Simplify right side
    374,198.12x = 75,351,562,588.57
  5. Step 5: Solve for x
    x = 75,351,562,588.57/374,198.12
  6. Step 6: Final answer
    x = 201,368.10

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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.