Home / 222,632.44-307,264.26-137,776.84

Finding the Fourth Proportional to 222,632.44, 307,264.26 and 137,776.84

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Solution

The fourth proportional to 222,632.44, 307,264.26 and 137,776.84 is: 190,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,632.44 : 307,264.26 = 137,776.84 : x
  2. Step 2: Convert to fraction form
    222,632.44/307,264.26 = 137,776.84/x
  3. Step 3: Cross multiply
    222,632.44x = 307,264.26 × 137,776.84
  4. Step 4: Simplify right side
    222,632.44x = 42,333,898,787.74
  5. Step 5: Solve for x
    x = 42,333,898,787.74/222,632.44
  6. Step 6: Final answer
    x = 190,151.53

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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.