Home / 124,157.06-186,233.43-30,662.90

Finding the Fourth Proportional to 124,157.06, 186,233.43 and 30,662.90

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Solution

The fourth proportional to 124,157.06, 186,233.43 and 30,662.90 is: 45,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,157.06 : 186,233.43 = 30,662.90 : x
  2. Step 2: Convert to fraction form
    124,157.06/186,233.43 = 30,662.90/x
  3. Step 3: Cross multiply
    124,157.06x = 186,233.43 × 30,662.90
  4. Step 4: Simplify right side
    124,157.06x = 5,710,457,040.75
  5. Step 5: Solve for x
    x = 5,710,457,040.75/124,157.06
  6. Step 6: Final answer
    x = 45,993.82

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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.