Home / 164,003.19-245,765.43-72,708.45

Finding the Fourth Proportional to 164,003.19, 245,765.43 and 72,708.45

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Solution

The fourth proportional to 164,003.19, 245,765.43 and 72,708.45 is: 108,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,003.19 : 245,765.43 = 72,708.45 : x
  2. Step 2: Convert to fraction form
    164,003.19/245,765.43 = 72,708.45/x
  3. Step 3: Cross multiply
    164,003.19x = 245,765.43 × 72,708.45
  4. Step 4: Simplify right side
    164,003.19x = 17,869,223,478.88
  5. Step 5: Solve for x
    x = 17,869,223,478.88/164,003.19
  6. Step 6: Final answer
    x = 108,956.56

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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.