Home / 171,860.63-237,196.19-100,240.65

Finding the Fourth Proportional to 171,860.63, 237,196.19 and 100,240.65

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Solution

The fourth proportional to 171,860.63, 237,196.19 and 100,240.65 is: 138,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,860.63 : 237,196.19 = 100,240.65 : x
  2. Step 2: Convert to fraction form
    171,860.63/237,196.19 = 100,240.65/x
  3. Step 3: Cross multiply
    171,860.63x = 237,196.19 × 100,240.65
  4. Step 4: Simplify right side
    171,860.63x = 23,776,699,670.13
  5. Step 5: Solve for x
    x = 23,776,699,670.13/171,860.63
  6. Step 6: Final answer
    x = 138,348.73

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1.5x scale

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.