Home / 338,586.77-507,900.85-113,928.35

Finding the Fourth Proportional to 338,586.77, 507,900.85 and 113,928.35

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Solution

The fourth proportional to 338,586.77, 507,900.85 and 113,928.35 is: 170,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,586.77 : 507,900.85 = 113,928.35 : x
  2. Step 2: Convert to fraction form
    338,586.77/507,900.85 = 113,928.35/x
  3. Step 3: Cross multiply
    338,586.77x = 507,900.85 × 113,928.35
  4. Step 4: Simplify right side
    338,586.77x = 57,864,302,979.77
  5. Step 5: Solve for x
    x = 57,864,302,979.77/338,586.77
  6. Step 6: Final answer
    x = 170,899.48

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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.