Home / 374,099.90-561,373.42-137,466.50

Finding the Fourth Proportional to 374,099.90, 561,373.42 and 137,466.50

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Solution

The fourth proportional to 374,099.90, 561,373.42 and 137,466.50 is: 206,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,099.90 : 561,373.42 = 137,466.50 : x
  2. Step 2: Convert to fraction form
    374,099.90/561,373.42 = 137,466.50/x
  3. Step 3: Cross multiply
    374,099.90x = 561,373.42 × 137,466.50
  4. Step 4: Simplify right side
    374,099.90x = 77,170,039,240.43
  5. Step 5: Solve for x
    x = 77,170,039,240.43/374,099.90
  6. Step 6: Final answer
    x = 206,281.90

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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.