Home / 197,784.80-296,685.38-57,543.42

Finding the Fourth Proportional to 197,784.80, 296,685.38 and 57,543.42

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Solution

The fourth proportional to 197,784.80, 296,685.38 and 57,543.42 is: 86,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,784.80 : 296,685.38 = 57,543.42 : x
  2. Step 2: Convert to fraction form
    197,784.80/296,685.38 = 57,543.42/x
  3. Step 3: Cross multiply
    197,784.80x = 296,685.38 × 57,543.42
  4. Step 4: Simplify right side
    197,784.80x = 17,072,291,429.20
  5. Step 5: Solve for x
    x = 17,072,291,429.20/197,784.80
  6. Step 6: Final answer
    x = 86,317.51

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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.