Home / 264,987.36-397,421.28-75,443.58

Finding the Fourth Proportional to 264,987.36, 397,421.28 and 75,443.58

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Solution

The fourth proportional to 264,987.36, 397,421.28 and 75,443.58 is: 113,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,987.36 : 397,421.28 = 75,443.58 : x
  2. Step 2: Convert to fraction form
    264,987.36/397,421.28 = 75,443.58/x
  3. Step 3: Cross multiply
    264,987.36x = 397,421.28 × 75,443.58
  4. Step 4: Simplify right side
    264,987.36x = 29,982,884,131.38
  5. Step 5: Solve for x
    x = 29,982,884,131.38/264,987.36
  6. Step 6: Final answer
    x = 113,148.36

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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.