Home / 448,618.95-672,731.55-167,939.37

Finding the Fourth Proportional to 448,618.95, 672,731.55 and 167,939.37

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Solution

The fourth proportional to 448,618.95, 672,731.55 and 167,939.37 is: 251,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,618.95 : 672,731.55 = 167,939.37 : x
  2. Step 2: Convert to fraction form
    448,618.95/672,731.55 = 167,939.37/x
  3. Step 3: Cross multiply
    448,618.95x = 672,731.55 × 167,939.37
  4. Step 4: Simplify right side
    448,618.95x = 112,978,112,686.12
  5. Step 5: Solve for x
    x = 112,978,112,686.12/448,618.95
  6. Step 6: Final answer
    x = 251,835.36

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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.