Home / 105,263.20-157,905.43-34,182.87

Finding the Fourth Proportional to 105,263.20, 157,905.43 and 34,182.87

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Solution

The fourth proportional to 105,263.20, 157,905.43 and 34,182.87 is: 51,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,263.20 : 157,905.43 = 34,182.87 : x
  2. Step 2: Convert to fraction form
    105,263.20/157,905.43 = 34,182.87/x
  3. Step 3: Cross multiply
    105,263.20x = 157,905.43 × 34,182.87
  4. Step 4: Simplify right side
    105,263.20x = 5,397,660,785.98
  5. Step 5: Solve for x
    x = 5,397,660,785.98/105,263.20
  6. Step 6: Final answer
    x = 51,277.76

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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.