Home / 125,441.07-188,154.33-91,741.23

Finding the Fourth Proportional to 125,441.07, 188,154.33 and 91,741.23

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Solution

The fourth proportional to 125,441.07, 188,154.33 and 91,741.23 is: 137,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.07 : 188,154.33 = 91,741.23 : x
  2. Step 2: Convert to fraction form
    125,441.07/188,154.33 = 91,741.23/x
  3. Step 3: Cross multiply
    125,441.07x = 188,154.33 × 91,741.23
  4. Step 4: Simplify right side
    125,441.07x = 17,261,509,664.03
  5. Step 5: Solve for x
    x = 17,261,509,664.03/125,441.07
  6. Step 6: Final answer
    x = 137,606.52

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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.