Home / 133,028.18-183,646.62-102,745.52

Finding the Fourth Proportional to 133,028.18, 183,646.62 and 102,745.52

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Solution

The fourth proportional to 133,028.18, 183,646.62 and 102,745.52 is: 141,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.18 : 183,646.62 = 102,745.52 : x
  2. Step 2: Convert to fraction form
    133,028.18/183,646.62 = 102,745.52/x
  3. Step 3: Cross multiply
    133,028.18x = 183,646.62 × 102,745.52
  4. Step 4: Simplify right side
    133,028.18x = 18,868,867,468.14
  5. Step 5: Solve for x
    x = 18,868,867,468.14/133,028.18
  6. Step 6: Final answer
    x = 141,841.13

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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.