Home / 181,069.34-249,921.62-123,731.87

Finding the Fourth Proportional to 181,069.34, 249,921.62 and 123,731.87

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Solution

The fourth proportional to 181,069.34, 249,921.62 and 123,731.87 is: 170,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,069.34 : 249,921.62 = 123,731.87 : x
  2. Step 2: Convert to fraction form
    181,069.34/249,921.62 = 123,731.87/x
  3. Step 3: Cross multiply
    181,069.34x = 249,921.62 × 123,731.87
  4. Step 4: Simplify right side
    181,069.34x = 30,923,270,330.16
  5. Step 5: Solve for x
    x = 30,923,270,330.16/181,069.34
  6. Step 6: Final answer
    x = 170,781.37

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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.