Home / 501,427.11-752,142.29-127,450.11

Finding the Fourth Proportional to 501,427.11, 752,142.29 and 127,450.11

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Solution

The fourth proportional to 501,427.11, 752,142.29 and 127,450.11 is: 191,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,427.11 : 752,142.29 = 127,450.11 : x
  2. Step 2: Convert to fraction form
    501,427.11/752,142.29 = 127,450.11/x
  3. Step 3: Cross multiply
    501,427.11x = 752,142.29 × 127,450.11
  4. Step 4: Simplify right side
    501,427.11x = 95,860,617,596.15
  5. Step 5: Solve for x
    x = 95,860,617,596.15/501,427.11
  6. Step 6: Final answer
    x = 191,175.58

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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.