Home / 208,356.05-312,337.23-189,263.54

Finding the Fourth Proportional to 208,356.05, 312,337.23 and 189,263.54

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Solution

The fourth proportional to 208,356.05, 312,337.23 and 189,263.54 is: 283,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,356.05 : 312,337.23 = 189,263.54 : x
  2. Step 2: Convert to fraction form
    208,356.05/312,337.23 = 189,263.54/x
  3. Step 3: Cross multiply
    208,356.05x = 312,337.23 × 189,263.54
  4. Step 4: Simplify right side
    208,356.05x = 59,114,048,261.91
  5. Step 5: Solve for x
    x = 59,114,048,261.91/208,356.05
  6. Step 6: Final answer
    x = 283,716.50

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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.