Home / 190,738.92-286,048.82-66,050.76

Finding the Fourth Proportional to 190,738.92, 286,048.82 and 66,050.76

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Solution

The fourth proportional to 190,738.92, 286,048.82 and 66,050.76 is: 99,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,738.92 : 286,048.82 = 66,050.76 : x
  2. Step 2: Convert to fraction form
    190,738.92/286,048.82 = 66,050.76/x
  3. Step 3: Cross multiply
    190,738.92x = 286,048.82 × 66,050.76
  4. Step 4: Simplify right side
    190,738.92x = 18,893,741,958.10
  5. Step 5: Solve for x
    x = 18,893,741,958.10/190,738.92
  6. Step 6: Final answer
    x = 99,055.52

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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.