Home / 338,357.23-507,548.13-113,725.15

Finding the Fourth Proportional to 338,357.23, 507,548.13 and 113,725.15

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Solution

The fourth proportional to 338,357.23, 507,548.13 and 113,725.15 is: 170,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,357.23 : 507,548.13 = 113,725.15 : x
  2. Step 2: Convert to fraction form
    338,357.23/507,548.13 = 113,725.15/x
  3. Step 3: Cross multiply
    338,357.23x = 507,548.13 × 113,725.15
  4. Step 4: Simplify right side
    338,357.23x = 57,720,987,216.47
  5. Step 5: Solve for x
    x = 57,720,987,216.47/338,357.23
  6. Step 6: Final answer
    x = 170,591.85

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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.