Home / 105,628.09-158,442.41-26,742.33

Finding the Fourth Proportional to 105,628.09, 158,442.41 and 26,742.33

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Solution

The fourth proportional to 105,628.09, 158,442.41 and 26,742.33 is: 40,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,628.09 : 158,442.41 = 26,742.33 : x
  2. Step 2: Convert to fraction form
    105,628.09/158,442.41 = 26,742.33/x
  3. Step 3: Cross multiply
    105,628.09x = 158,442.41 × 26,742.33
  4. Step 4: Simplify right side
    105,628.09x = 4,237,119,214.22
  5. Step 5: Solve for x
    x = 4,237,119,214.22/105,628.09
  6. Step 6: Final answer
    x = 40,113.56

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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.