Home / 158,863.19-238,349.46-99,629.51

Finding the Fourth Proportional to 158,863.19, 238,349.46 and 99,629.51

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Solution

The fourth proportional to 158,863.19, 238,349.46 and 99,629.51 is: 149,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,863.19 : 238,349.46 = 99,629.51 : x
  2. Step 2: Convert to fraction form
    158,863.19/238,349.46 = 99,629.51/x
  3. Step 3: Cross multiply
    158,863.19x = 238,349.46 × 99,629.51
  4. Step 4: Simplify right side
    158,863.19x = 23,746,638,716.82
  5. Step 5: Solve for x
    x = 23,746,638,716.82/158,863.19
  6. Step 6: Final answer
    x = 149,478.55

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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.