Home / 235,438.06-353,149.26-102,318.45

Finding the Fourth Proportional to 235,438.06, 353,149.26 and 102,318.45

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Solution

The fourth proportional to 235,438.06, 353,149.26 and 102,318.45 is: 153,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,438.06 : 353,149.26 = 102,318.45 : x
  2. Step 2: Convert to fraction form
    235,438.06/353,149.26 = 102,318.45/x
  3. Step 3: Cross multiply
    235,438.06x = 353,149.26 × 102,318.45
  4. Step 4: Simplify right side
    235,438.06x = 36,133,684,901.85
  5. Step 5: Solve for x
    x = 36,133,684,901.85/235,438.06
  6. Step 6: Final answer
    x = 153,474.27

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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.