Home / 181,091.26-249,921.75-105,664.06

Finding the Fourth Proportional to 181,091.26, 249,921.75 and 105,664.06

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Solution

The fourth proportional to 181,091.26, 249,921.75 and 105,664.06 is: 145,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,091.26 : 249,921.75 = 105,664.06 : x
  2. Step 2: Convert to fraction form
    181,091.26/249,921.75 = 105,664.06/x
  3. Step 3: Cross multiply
    181,091.26x = 249,921.75 × 105,664.06
  4. Step 4: Simplify right side
    181,091.26x = 26,407,746,787.31
  5. Step 5: Solve for x
    x = 26,407,746,787.31/181,091.26
  6. Step 6: Final answer
    x = 145,825.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.