Home / 318,537.72-439,582.14-175,297.74

Finding the Fourth Proportional to 318,537.72, 439,582.14 and 175,297.74

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Solution

The fourth proportional to 318,537.72, 439,582.14 and 175,297.74 is: 241,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,537.72 : 439,582.14 = 175,297.74 : x
  2. Step 2: Convert to fraction form
    318,537.72/439,582.14 = 175,297.74/x
  3. Step 3: Cross multiply
    318,537.72x = 439,582.14 × 175,297.74
  4. Step 4: Simplify right side
    318,537.72x = 77,057,755,686.36
  5. Step 5: Solve for x
    x = 77,057,755,686.36/318,537.72
  6. Step 6: Final answer
    x = 241,910.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.