Home / 105,471.16-158,189.10-46,290.94

Finding the Fourth Proportional to 105,471.16, 158,189.10 and 46,290.94

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Solution

The fourth proportional to 105,471.16, 158,189.10 and 46,290.94 is: 69,428.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,471.16 : 158,189.10 = 46,290.94 : x
  2. Step 2: Convert to fraction form
    105,471.16/158,189.10 = 46,290.94/x
  3. Step 3: Cross multiply
    105,471.16x = 158,189.10 × 46,290.94
  4. Step 4: Simplify right side
    105,471.16x = 7,322,722,136.75
  5. Step 5: Solve for x
    x = 7,322,722,136.75/105,471.16
  6. Step 6: Final answer
    x = 69,428.67

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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.