Home / 208,313.76-312,436.56-58,564.32

Finding the Fourth Proportional to 208,313.76, 312,436.56 and 58,564.32

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Solution

The fourth proportional to 208,313.76, 312,436.56 and 58,564.32 is: 87,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,313.76 : 312,436.56 = 58,564.32 : x
  2. Step 2: Convert to fraction form
    208,313.76/312,436.56 = 58,564.32/x
  3. Step 3: Cross multiply
    208,313.76x = 312,436.56 × 58,564.32
  4. Step 4: Simplify right side
    208,313.76x = 18,297,634,679.54
  5. Step 5: Solve for x
    x = 18,297,634,679.54/208,313.76
  6. Step 6: Final answer
    x = 87,836.90

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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.