Home / 148,776.66-205,313.47-80,794.37

Finding the Fourth Proportional to 148,776.66, 205,313.47 and 80,794.37

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Solution

The fourth proportional to 148,776.66, 205,313.47 and 80,794.37 is: 111,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,776.66 : 205,313.47 = 80,794.37 : x
  2. Step 2: Convert to fraction form
    148,776.66/205,313.47 = 80,794.37/x
  3. Step 3: Cross multiply
    148,776.66x = 205,313.47 × 80,794.37
  4. Step 4: Simplify right side
    148,776.66x = 16,588,172,772.46
  5. Step 5: Solve for x
    x = 16,588,172,772.46/148,776.66
  6. Step 6: Final answer
    x = 111,497.14

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1.5x scale

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.