Home / 197,890.19-296,838.53-57,656.51

Finding the Fourth Proportional to 197,890.19, 296,838.53 and 57,656.51

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Solution

The fourth proportional to 197,890.19, 296,838.53 and 57,656.51 is: 86,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,890.19 : 296,838.53 = 57,656.51 : x
  2. Step 2: Convert to fraction form
    197,890.19/296,838.53 = 57,656.51/x
  3. Step 3: Cross multiply
    197,890.19x = 296,838.53 × 57,656.51
  4. Step 4: Simplify right side
    197,890.19x = 17,114,673,385.05
  5. Step 5: Solve for x
    x = 17,114,673,385.05/197,890.19
  6. Step 6: Final answer
    x = 86,485.71

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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.