Home / 338,331.10-507,178.76-113,533.88

Finding the Fourth Proportional to 338,331.10, 507,178.76 and 113,533.88

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Solution

The fourth proportional to 338,331.10, 507,178.76 and 113,533.88 is: 170,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,331.10 : 507,178.76 = 113,533.88 : x
  2. Step 2: Convert to fraction form
    338,331.10/507,178.76 = 113,533.88/x
  3. Step 3: Cross multiply
    338,331.10x = 507,178.76 × 113,533.88
  4. Step 4: Simplify right side
    338,331.10x = 57,581,969,372.83
  5. Step 5: Solve for x
    x = 57,581,969,372.83/338,331.10
  6. Step 6: Final answer
    x = 170,194.14

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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.