Home / 163,290.48-244,901.16-74,485.68

Finding the Fourth Proportional to 163,290.48, 244,901.16 and 74,485.68

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Solution

The fourth proportional to 163,290.48, 244,901.16 and 74,485.68 is: 111,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,290.48 : 244,901.16 = 74,485.68 : x
  2. Step 2: Convert to fraction form
    163,290.48/244,901.16 = 74,485.68/x
  3. Step 3: Cross multiply
    163,290.48x = 244,901.16 × 74,485.68
  4. Step 4: Simplify right side
    163,290.48x = 18,241,629,435.39
  5. Step 5: Solve for x
    x = 18,241,629,435.39/163,290.48
  6. Step 6: Final answer
    x = 111,712.76

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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.