Home / 147,561.40-221,313.30-49,065.40

Finding the Fourth Proportional to 147,561.40, 221,313.30 and 49,065.40

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Solution

The fourth proportional to 147,561.40, 221,313.30 and 49,065.40 is: 73,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,561.40 : 221,313.30 = 49,065.40 : x
  2. Step 2: Convert to fraction form
    147,561.40/221,313.30 = 49,065.40/x
  3. Step 3: Cross multiply
    147,561.40x = 221,313.30 × 49,065.40
  4. Step 4: Simplify right side
    147,561.40x = 10,858,825,589.82
  5. Step 5: Solve for x
    x = 10,858,825,589.82/147,561.40
  6. Step 6: Final answer
    x = 73,588.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.