Home / 124,622.09-186,994.14-77,224.51

Finding the Fourth Proportional to 124,622.09, 186,994.14 and 77,224.51

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Solution

The fourth proportional to 124,622.09, 186,994.14 and 77,224.51 is: 115,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622.09 : 186,994.14 = 77,224.51 : x
  2. Step 2: Convert to fraction form
    124,622.09/186,994.14 = 77,224.51/x
  3. Step 3: Cross multiply
    124,622.09x = 186,994.14 × 77,224.51
  4. Step 4: Simplify right side
    124,622.09x = 14,440,530,284.02
  5. Step 5: Solve for x
    x = 14,440,530,284.02/124,622.09
  6. Step 6: Final answer
    x = 115,874.56

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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.