Home / 120,322.07-166,088.26-70,021.07

Finding the Fourth Proportional to 120,322.07, 166,088.26 and 70,021.07

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Solution

The fourth proportional to 120,322.07, 166,088.26 and 70,021.07 is: 96,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,322.07 : 166,088.26 = 70,021.07 : x
  2. Step 2: Convert to fraction form
    120,322.07/166,088.26 = 70,021.07/x
  3. Step 3: Cross multiply
    120,322.07x = 166,088.26 × 70,021.07
  4. Step 4: Simplify right side
    120,322.07x = 11,629,676,849.20
  5. Step 5: Solve for x
    x = 11,629,676,849.20/120,322.07
  6. Step 6: Final answer
    x = 96,654.56

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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.