Home / 338,256.36-507,345.66-113,607.72

Finding the Fourth Proportional to 338,256.36, 507,345.66 and 113,607.72

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Solution

The fourth proportional to 338,256.36, 507,345.66 and 113,607.72 is: 170,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256.36 : 507,345.66 = 113,607.72 : x
  2. Step 2: Convert to fraction form
    338,256.36/507,345.66 = 113,607.72/x
  3. Step 3: Cross multiply
    338,256.36x = 507,345.66 × 113,607.72
  4. Step 4: Simplify right side
    338,256.36x = 57,638,383,684.50
  5. Step 5: Solve for x
    x = 57,638,383,684.50/338,256.36
  6. Step 6: Final answer
    x = 170,398.52

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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.