Home / 102,355.41-153,619.37-43,233.51

Finding the Fourth Proportional to 102,355.41, 153,619.37 and 43,233.51

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Solution

The fourth proportional to 102,355.41, 153,619.37 and 43,233.51 is: 64,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.41 : 153,619.37 = 43,233.51 : x
  2. Step 2: Convert to fraction form
    102,355.41/153,619.37 = 43,233.51/x
  3. Step 3: Cross multiply
    102,355.41x = 153,619.37 × 43,233.51
  4. Step 4: Simplify right side
    102,355.41x = 6,641,504,569.09
  5. Step 5: Solve for x
    x = 6,641,504,569.09/102,355.41
  6. Step 6: Final answer
    x = 64,886.70

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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.