Home / 125,035.44-172,629.40-111,583.58

Finding the Fourth Proportional to 125,035.44, 172,629.40 and 111,583.58

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Solution

The fourth proportional to 125,035.44, 172,629.40 and 111,583.58 is: 154,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.44 : 172,629.40 = 111,583.58 : x
  2. Step 2: Convert to fraction form
    125,035.44/172,629.40 = 111,583.58/x
  3. Step 3: Cross multiply
    125,035.44x = 172,629.40 × 111,583.58
  4. Step 4: Simplify right side
    125,035.44x = 19,262,606,465.25
  5. Step 5: Solve for x
    x = 19,262,606,465.25/125,035.44
  6. Step 6: Final answer
    x = 154,057.17

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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.