Home / 107,601.21-148,494.47-89,666.19

Finding the Fourth Proportional to 107,601.21, 148,494.47 and 89,666.19

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Solution

The fourth proportional to 107,601.21, 148,494.47 and 89,666.19 is: 123,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,601.21 : 148,494.47 = 89,666.19 : x
  2. Step 2: Convert to fraction form
    107,601.21/148,494.47 = 89,666.19/x
  3. Step 3: Cross multiply
    107,601.21x = 148,494.47 × 89,666.19
  4. Step 4: Simplify right side
    107,601.21x = 13,314,932,912.64
  5. Step 5: Solve for x
    x = 13,314,932,912.64/107,601.21
  6. Step 6: Final answer
    x = 123,743.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.