Home / 139,626.16-209,359.88-95,306.56

Finding the Fourth Proportional to 139,626.16, 209,359.88 and 95,306.56

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Solution

The fourth proportional to 139,626.16, 209,359.88 and 95,306.56 is: 142,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626.16 : 209,359.88 = 95,306.56 : x
  2. Step 2: Convert to fraction form
    139,626.16/209,359.88 = 95,306.56/x
  3. Step 3: Cross multiply
    139,626.16x = 209,359.88 × 95,306.56
  4. Step 4: Simplify right side
    139,626.16x = 19,953,369,964.81
  5. Step 5: Solve for x
    x = 19,953,369,964.81/139,626.16
  6. Step 6: Final answer
    x = 142,905.67

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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.