Home / 105,266.70-158,012.46-45,324.84

Finding the Fourth Proportional to 105,266.70, 158,012.46 and 45,324.84

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Solution

The fourth proportional to 105,266.70, 158,012.46 and 45,324.84 is: 68,035.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,266.70 : 158,012.46 = 45,324.84 : x
  2. Step 2: Convert to fraction form
    105,266.70/158,012.46 = 45,324.84/x
  3. Step 3: Cross multiply
    105,266.70x = 158,012.46 × 45,324.84
  4. Step 4: Simplify right side
    105,266.70x = 7,161,889,467.51
  5. Step 5: Solve for x
    x = 7,161,889,467.51/105,266.70
  6. Step 6: Final answer
    x = 68,035.66

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1.5x scale

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.