Home / 181,711.39-250,655.43-118,091.56

Finding the Fourth Proportional to 181,711.39, 250,655.43 and 118,091.56

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Solution

The fourth proportional to 181,711.39, 250,655.43 and 118,091.56 is: 162,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,711.39 : 250,655.43 = 118,091.56 : x
  2. Step 2: Convert to fraction form
    181,711.39/250,655.43 = 118,091.56/x
  3. Step 3: Cross multiply
    181,711.39x = 250,655.43 × 118,091.56
  4. Step 4: Simplify right side
    181,711.39x = 29,600,290,751.17
  5. Step 5: Solve for x
    x = 29,600,290,751.17/181,711.39
  6. Step 6: Final answer
    x = 162,897.28

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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.