Home / 147,513.15-203,565.96-82,977.51

Finding the Fourth Proportional to 147,513.15, 203,565.96 and 82,977.51

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Solution

The fourth proportional to 147,513.15, 203,565.96 and 82,977.51 is: 114,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.15 : 203,565.96 = 82,977.51 : x
  2. Step 2: Convert to fraction form
    147,513.15/203,565.96 = 82,977.51/x
  3. Step 3: Cross multiply
    147,513.15x = 203,565.96 × 82,977.51
  4. Step 4: Simplify right side
    147,513.15x = 16,891,397,244.93
  5. Step 5: Solve for x
    x = 16,891,397,244.93/147,513.15
  6. Step 6: Final answer
    x = 114,507.74

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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.