Home / 222,155.09-306,566.39-126,692.51

Finding the Fourth Proportional to 222,155.09, 306,566.39 and 126,692.51

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Solution

The fourth proportional to 222,155.09, 306,566.39 and 126,692.51 is: 174,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.09 : 306,566.39 = 126,692.51 : x
  2. Step 2: Convert to fraction form
    222,155.09/306,566.39 = 126,692.51/x
  3. Step 3: Cross multiply
    222,155.09x = 306,566.39 × 126,692.51
  4. Step 4: Simplify right side
    222,155.09x = 38,839,665,430.74
  5. Step 5: Solve for x
    x = 38,839,665,430.74/222,155.09
  6. Step 6: Final answer
    x = 174,831.31

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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.