Home / 168,363.81-251,313.89-148,435.38

Finding the Fourth Proportional to 168,363.81, 251,313.89 and 148,435.38

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Solution

The fourth proportional to 168,363.81, 251,313.89 and 148,435.38 is: 221,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,363.81 : 251,313.89 = 148,435.38 : x
  2. Step 2: Convert to fraction form
    168,363.81/251,313.89 = 148,435.38/x
  3. Step 3: Cross multiply
    168,363.81x = 251,313.89 × 148,435.38
  4. Step 4: Simplify right side
    168,363.81x = 37,303,872,019.25
  5. Step 5: Solve for x
    x = 37,303,872,019.25/168,363.81
  6. Step 6: Final answer
    x = 221,567.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.