Home / 139,708.18-209,560.23-34,527.16

Finding the Fourth Proportional to 139,708.18, 209,560.23 and 34,527.16

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Solution

The fourth proportional to 139,708.18, 209,560.23 and 34,527.16 is: 51,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,708.18 : 209,560.23 = 34,527.16 : x
  2. Step 2: Convert to fraction form
    139,708.18/209,560.23 = 34,527.16/x
  3. Step 3: Cross multiply
    139,708.18x = 209,560.23 × 34,527.16
  4. Step 4: Simplify right side
    139,708.18x = 7,235,519,590.85
  5. Step 5: Solve for x
    x = 7,235,519,590.85/139,708.18
  6. Step 6: Final answer
    x = 51,790.24

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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.