Home / 181,039.55-249,809.08-108,425.43

Finding the Fourth Proportional to 181,039.55, 249,809.08 and 108,425.43

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Solution

The fourth proportional to 181,039.55, 249,809.08 and 108,425.43 is: 149,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,039.55 : 249,809.08 = 108,425.43 : x
  2. Step 2: Convert to fraction form
    181,039.55/249,809.08 = 108,425.43/x
  3. Step 3: Cross multiply
    181,039.55x = 249,809.08 × 108,425.43
  4. Step 4: Simplify right side
    181,039.55x = 27,085,656,645.84
  5. Step 5: Solve for x
    x = 27,085,656,645.84/181,039.55
  6. Step 6: Final answer
    x = 149,611.82

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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.