Home / 374,099.15-561,372.30-137,465.75

Finding the Fourth Proportional to 374,099.15, 561,372.30 and 137,465.75

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Solution

The fourth proportional to 374,099.15, 561,372.30 and 137,465.75 is: 206,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,099.15 : 561,372.30 = 137,465.75 : x
  2. Step 2: Convert to fraction form
    374,099.15/561,372.30 = 137,465.75/x
  3. Step 3: Cross multiply
    374,099.15x = 561,372.30 × 137,465.75
  4. Step 4: Simplify right side
    374,099.15x = 77,169,465,652.16
  5. Step 5: Solve for x
    x = 77,169,465,652.16/374,099.15
  6. Step 6: Final answer
    x = 206,280.78

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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.