Home / 222,406.83-306,943.38-126,927.81

Finding the Fourth Proportional to 222,406.83, 306,943.38 and 126,927.81

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Solution

The fourth proportional to 222,406.83, 306,943.38 and 126,927.81 is: 175,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,406.83 : 306,943.38 = 126,927.81 : x
  2. Step 2: Convert to fraction form
    222,406.83/306,943.38 = 126,927.81/x
  3. Step 3: Cross multiply
    222,406.83x = 306,943.38 × 126,927.81
  4. Step 4: Simplify right side
    222,406.83x = 38,959,651,017.40
  5. Step 5: Solve for x
    x = 38,959,651,017.40/222,406.83
  6. Step 6: Final answer
    x = 175,172.91

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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.