Home / 338,917.10-507,897.78-187,182.59

Finding the Fourth Proportional to 338,917.10, 507,897.78 and 187,182.59

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Solution

The fourth proportional to 338,917.10, 507,897.78 and 187,182.59 is: 280,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,917.10 : 507,897.78 = 187,182.59 : x
  2. Step 2: Convert to fraction form
    338,917.10/507,897.78 = 187,182.59/x
  3. Step 3: Cross multiply
    338,917.10x = 507,897.78 × 187,182.59
  4. Step 4: Simplify right side
    338,917.10x = 95,069,620,152.99
  5. Step 5: Solve for x
    x = 95,069,620,152.99/338,917.10
  6. Step 6: Final answer
    x = 280,509.95

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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.