Home / 219,816.81-303,363.51-123,030.39

Finding the Fourth Proportional to 219,816.81, 303,363.51 and 123,030.39

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Solution

The fourth proportional to 219,816.81, 303,363.51 and 123,030.39 is: 169,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,816.81 : 303,363.51 = 123,030.39 : x
  2. Step 2: Convert to fraction form
    219,816.81/303,363.51 = 123,030.39/x
  3. Step 3: Cross multiply
    219,816.81x = 303,363.51 × 123,030.39
  4. Step 4: Simplify right side
    219,816.81x = 37,322,930,947.07
  5. Step 5: Solve for x
    x = 37,322,930,947.07/219,816.81
  6. Step 6: Final answer
    x = 169,791.07

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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.