Home / 163,944.39-245,783.97-69,113.28

Finding the Fourth Proportional to 163,944.39, 245,783.97 and 69,113.28

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Solution

The fourth proportional to 163,944.39, 245,783.97 and 69,113.28 is: 103,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944.39 : 245,783.97 = 69,113.28 : x
  2. Step 2: Convert to fraction form
    163,944.39/245,783.97 = 69,113.28/x
  3. Step 3: Cross multiply
    163,944.39x = 245,783.97 × 69,113.28
  4. Step 4: Simplify right side
    163,944.39x = 16,986,936,338.12
  5. Step 5: Solve for x
    x = 16,986,936,338.12/163,944.39
  6. Step 6: Final answer
    x = 103,614.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.