Home / 208,186.12-312,232.45-95,758.34

Finding the Fourth Proportional to 208,186.12, 312,232.45 and 95,758.34

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Solution

The fourth proportional to 208,186.12, 312,232.45 and 95,758.34 is: 143,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,186.12 : 312,232.45 = 95,758.34 : x
  2. Step 2: Convert to fraction form
    208,186.12/312,232.45 = 95,758.34/x
  3. Step 3: Cross multiply
    208,186.12x = 312,232.45 × 95,758.34
  4. Step 4: Simplify right side
    208,186.12x = 29,898,861,106.13
  5. Step 5: Solve for x
    x = 29,898,861,106.13/208,186.12
  6. Step 6: Final answer
    x = 143,616.02

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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.