Home / 105,450.56-158,143.29-30,576.22

Finding the Fourth Proportional to 105,450.56, 158,143.29 and 30,576.22

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Solution

The fourth proportional to 105,450.56, 158,143.29 and 30,576.22 is: 45,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.56 : 158,143.29 = 30,576.22 : x
  2. Step 2: Convert to fraction form
    105,450.56/158,143.29 = 30,576.22/x
  3. Step 3: Cross multiply
    105,450.56x = 158,143.29 × 30,576.22
  4. Step 4: Simplify right side
    105,450.56x = 4,835,424,925.95
  5. Step 5: Solve for x
    x = 4,835,424,925.95/105,450.56
  6. Step 6: Final answer
    x = 45,854.90

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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.