Home / 222,767.85-307,391.31-127,280.73

Finding the Fourth Proportional to 222,767.85, 307,391.31 and 127,280.73

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Solution

The fourth proportional to 222,767.85, 307,391.31 and 127,280.73 is: 175,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,767.85 : 307,391.31 = 127,280.73 : x
  2. Step 2: Convert to fraction form
    222,767.85/307,391.31 = 127,280.73/x
  3. Step 3: Cross multiply
    222,767.85x = 307,391.31 × 127,280.73
  4. Step 4: Simplify right side
    222,767.85x = 39,124,990,332.46
  5. Step 5: Solve for x
    x = 39,124,990,332.46/222,767.85
  6. Step 6: Final answer
    x = 175,631.22

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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.