Home / 181,010.78-249,791.04-100,436.57

Finding the Fourth Proportional to 181,010.78, 249,791.04 and 100,436.57

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Solution

The fourth proportional to 181,010.78, 249,791.04 and 100,436.57 is: 138,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,010.78 : 249,791.04 = 100,436.57 : x
  2. Step 2: Convert to fraction form
    181,010.78/249,791.04 = 100,436.57/x
  3. Step 3: Cross multiply
    181,010.78x = 249,791.04 × 100,436.57
  4. Step 4: Simplify right side
    181,010.78x = 25,088,155,274.33
  5. Step 5: Solve for x
    x = 25,088,155,274.33/181,010.78
  6. Step 6: Final answer
    x = 138,600.34

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1.5x scale

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.