Home / 181,007.59-249,786.64-100,433.38

Finding the Fourth Proportional to 181,007.59, 249,786.64 and 100,433.38

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Solution

The fourth proportional to 181,007.59, 249,786.64 and 100,433.38 is: 138,595.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.59 : 249,786.64 = 100,433.38 : x
  2. Step 2: Convert to fraction form
    181,007.59/249,786.64 = 100,433.38/x
  3. Step 3: Cross multiply
    181,007.59x = 249,786.64 × 100,433.38
  4. Step 4: Simplify right side
    181,007.59x = 25,086,916,534.04
  5. Step 5: Solve for x
    x = 25,086,916,534.04/181,007.59
  6. Step 6: Final answer
    x = 138,595.94

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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.