Home / 124,185.90-186,222.81-35,418.31

Finding the Fourth Proportional to 124,185.90, 186,222.81 and 35,418.31

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Solution

The fourth proportional to 124,185.90, 186,222.81 and 35,418.31 is: 53,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,185.90 : 186,222.81 = 35,418.31 : x
  2. Step 2: Convert to fraction form
    124,185.90/186,222.81 = 35,418.31/x
  3. Step 3: Cross multiply
    124,185.90x = 186,222.81 × 35,418.31
  4. Step 4: Simplify right side
    124,185.90x = 6,595,696,748.09
  5. Step 5: Solve for x
    x = 6,595,696,748.09/124,185.90
  6. Step 6: Final answer
    x = 53,111.48

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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.