Home / 338,541.20-507,845.30-125,365.98

Finding the Fourth Proportional to 338,541.20, 507,845.30 and 125,365.98

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Solution

The fourth proportional to 338,541.20, 507,845.30 and 125,365.98 is: 188,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,541.20 : 507,845.30 = 125,365.98 : x
  2. Step 2: Convert to fraction form
    338,541.20/507,845.30 = 125,365.98/x
  3. Step 3: Cross multiply
    338,541.20x = 507,845.30 × 125,365.98
  4. Step 4: Simplify right side
    338,541.20x = 63,666,523,722.89
  5. Step 5: Solve for x
    x = 63,666,523,722.89/338,541.20
  6. Step 6: Final answer
    x = 188,061.38

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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.