Home / 105,373.85-158,143.86-46,250.33

Finding the Fourth Proportional to 105,373.85, 158,143.86 and 46,250.33

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Solution

The fourth proportional to 105,373.85, 158,143.86 and 46,250.33 is: 69,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373.85 : 158,143.86 = 46,250.33 : x
  2. Step 2: Convert to fraction form
    105,373.85/158,143.86 = 46,250.33/x
  3. Step 3: Cross multiply
    105,373.85x = 158,143.86 × 46,250.33
  4. Step 4: Simplify right side
    105,373.85x = 7,314,204,921.75
  5. Step 5: Solve for x
    x = 7,314,204,921.75/105,373.85
  6. Step 6: Final answer
    x = 69,411.96

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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.