Home / 136,234.55-188,096.36-85,267.86

Finding the Fourth Proportional to 136,234.55, 188,096.36 and 85,267.86

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Solution

The fourth proportional to 136,234.55, 188,096.36 and 85,267.86 is: 117,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,234.55 : 188,096.36 = 85,267.86 : x
  2. Step 2: Convert to fraction form
    136,234.55/188,096.36 = 85,267.86/x
  3. Step 3: Cross multiply
    136,234.55x = 188,096.36 × 85,267.86
  4. Step 4: Simplify right side
    136,234.55x = 16,038,574,090.99
  5. Step 5: Solve for x
    x = 16,038,574,090.99/136,234.55
  6. Step 6: Final answer
    x = 117,727.65

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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.