Home / 338,440.40-507,466.20-101,747.60

Finding the Fourth Proportional to 338,440.40, 507,466.20 and 101,747.60

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Solution

The fourth proportional to 338,440.40, 507,466.20 and 101,747.60 is: 152,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,440.40 : 507,466.20 = 101,747.60 : x
  2. Step 2: Convert to fraction form
    338,440.40/507,466.20 = 101,747.60/x
  3. Step 3: Cross multiply
    338,440.40x = 507,466.20 × 101,747.60
  4. Step 4: Simplify right side
    338,440.40x = 51,633,467,931.12
  5. Step 5: Solve for x
    x = 51,633,467,931.12/338,440.40
  6. Step 6: Final answer
    x = 152,562.96

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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.