Home / 314,789.53-472,323.72-164,994.21

Finding the Fourth Proportional to 314,789.53, 472,323.72 and 164,994.21

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Solution

The fourth proportional to 314,789.53, 472,323.72 and 164,994.21 is: 247,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,789.53 : 472,323.72 = 164,994.21 : x
  2. Step 2: Convert to fraction form
    314,789.53/472,323.72 = 164,994.21/x
  3. Step 3: Cross multiply
    314,789.53x = 472,323.72 × 164,994.21
  4. Step 4: Simplify right side
    314,789.53x = 77,930,679,045.66
  5. Step 5: Solve for x
    x = 77,930,679,045.66/314,789.53
  6. Step 6: Final answer
    x = 247,564.39

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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.