Home / 278,627.04-417,940.56-195,890.40

Finding the Fourth Proportional to 278,627.04, 417,940.56 and 195,890.40

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Solution

The fourth proportional to 278,627.04, 417,940.56 and 195,890.40 is: 293,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,627.04 : 417,940.56 = 195,890.40 : x
  2. Step 2: Convert to fraction form
    278,627.04/417,940.56 = 195,890.40/x
  3. Step 3: Cross multiply
    278,627.04x = 417,940.56 × 195,890.40
  4. Step 4: Simplify right side
    278,627.04x = 81,870,543,474.62
  5. Step 5: Solve for x
    x = 81,870,543,474.62/278,627.04
  6. Step 6: Final answer
    x = 293,835.60

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1.5x scale

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.