Home / 301,870.36-416,578.98-165,905.56

Finding the Fourth Proportional to 301,870.36, 416,578.98 and 165,905.56

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Solution

The fourth proportional to 301,870.36, 416,578.98 and 165,905.56 is: 228,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,870.36 : 416,578.98 = 165,905.56 : x
  2. Step 2: Convert to fraction form
    301,870.36/416,578.98 = 165,905.56/x
  3. Step 3: Cross multiply
    301,870.36x = 416,578.98 × 165,905.56
  4. Step 4: Simplify right side
    301,870.36x = 69,112,768,961.13
  5. Step 5: Solve for x
    x = 69,112,768,961.13/301,870.36
  6. Step 6: Final answer
    x = 228,948.51

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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.