Home / 146,834.50-202,631.61-79,766.50

Finding the Fourth Proportional to 146,834.50, 202,631.61 and 79,766.50

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Solution

The fourth proportional to 146,834.50, 202,631.61 and 79,766.50 is: 110,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,834.50 : 202,631.61 = 79,766.50 : x
  2. Step 2: Convert to fraction form
    146,834.50/202,631.61 = 79,766.50/x
  3. Step 3: Cross multiply
    146,834.50x = 202,631.61 × 79,766.50
  4. Step 4: Simplify right side
    146,834.50x = 16,163,214,319.07
  5. Step 5: Solve for x
    x = 16,163,214,319.07/146,834.50
  6. Step 6: Final answer
    x = 110,077.77

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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.