Home / 199,766.08-275,678.14-109,123.30

Finding the Fourth Proportional to 199,766.08, 275,678.14 and 109,123.30

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Solution

The fourth proportional to 199,766.08, 275,678.14 and 109,123.30 is: 150,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,766.08 : 275,678.14 = 109,123.30 : x
  2. Step 2: Convert to fraction form
    199,766.08/275,678.14 = 109,123.30/x
  3. Step 3: Cross multiply
    199,766.08x = 275,678.14 × 109,123.30
  4. Step 4: Simplify right side
    199,766.08x = 30,082,908,374.66
  5. Step 5: Solve for x
    x = 30,082,908,374.66/199,766.08
  6. Step 6: Final answer
    x = 150,590.67

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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.