Home / 192,965.15-266,291.90-117,513.65

Finding the Fourth Proportional to 192,965.15, 266,291.90 and 117,513.65

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Solution

The fourth proportional to 192,965.15, 266,291.90 and 117,513.65 is: 162,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,965.15 : 266,291.90 = 117,513.65 : x
  2. Step 2: Convert to fraction form
    192,965.15/266,291.90 = 117,513.65/x
  3. Step 3: Cross multiply
    192,965.15x = 266,291.90 × 117,513.65
  4. Step 4: Simplify right side
    192,965.15x = 31,292,931,215.41
  5. Step 5: Solve for x
    x = 31,292,931,215.41/192,965.15
  6. Step 6: Final answer
    x = 162,168.83

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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.