Home / 189,151.33-261,030.59-104,271.43

Finding the Fourth Proportional to 189,151.33, 261,030.59 and 104,271.43

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Solution

The fourth proportional to 189,151.33, 261,030.59 and 104,271.43 is: 143,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,151.33 : 261,030.59 = 104,271.43 : x
  2. Step 2: Convert to fraction form
    189,151.33/261,030.59 = 104,271.43/x
  3. Step 3: Cross multiply
    189,151.33x = 261,030.59 × 104,271.43
  4. Step 4: Simplify right side
    189,151.33x = 27,218,032,893.04
  5. Step 5: Solve for x
    x = 27,218,032,893.04/189,151.33
  6. Step 6: Final answer
    x = 143,895.54

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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.