Home / 136,235.55-188,097.74-85,268.86

Finding the Fourth Proportional to 136,235.55, 188,097.74 and 85,268.86

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Solution

The fourth proportional to 136,235.55, 188,097.74 and 85,268.86 is: 117,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,235.55 : 188,097.74 = 85,268.86 : x
  2. Step 2: Convert to fraction form
    136,235.55/188,097.74 = 85,268.86/x
  3. Step 3: Cross multiply
    136,235.55x = 188,097.74 × 85,268.86
  4. Step 4: Simplify right side
    136,235.55x = 16,038,879,858.38
  5. Step 5: Solve for x
    x = 16,038,879,858.38/136,235.55
  6. Step 6: Final answer
    x = 117,729.04

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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.