Home / 147,074.08-202,958.29-83,410.51

Finding the Fourth Proportional to 147,074.08, 202,958.29 and 83,410.51

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Solution

The fourth proportional to 147,074.08, 202,958.29 and 83,410.51 is: 115,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,074.08 : 202,958.29 = 83,410.51 : x
  2. Step 2: Convert to fraction form
    147,074.08/202,958.29 = 83,410.51/x
  3. Step 3: Cross multiply
    147,074.08x = 202,958.29 × 83,410.51
  4. Step 4: Simplify right side
    147,074.08x = 16,928,854,060.58
  5. Step 5: Solve for x
    x = 16,928,854,060.58/147,074.08
  6. Step 6: Final answer
    x = 115,104.27

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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.