Home / 197,655.27-296,538.26-79,409.65

Finding the Fourth Proportional to 197,655.27, 296,538.26 and 79,409.65

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Solution

The fourth proportional to 197,655.27, 296,538.26 and 79,409.65 is: 119,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.27 : 296,538.26 = 79,409.65 : x
  2. Step 2: Convert to fraction form
    197,655.27/296,538.26 = 79,409.65/x
  3. Step 3: Cross multiply
    197,655.27x = 296,538.26 × 79,409.65
  4. Step 4: Simplify right side
    197,655.27x = 23,547,999,438.21
  5. Step 5: Solve for x
    x = 23,547,999,438.21/197,655.27
  6. Step 6: Final answer
    x = 119,136.71

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1.5x scale

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.