Home / 210,629.40-316,037.70-110,765.40

Finding the Fourth Proportional to 210,629.40, 316,037.70 and 110,765.40

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Solution

The fourth proportional to 210,629.40, 316,037.70 and 110,765.40 is: 166,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,629.40 : 316,037.70 = 110,765.40 : x
  2. Step 2: Convert to fraction form
    210,629.40/316,037.70 = 110,765.40/x
  3. Step 3: Cross multiply
    210,629.40x = 316,037.70 × 110,765.40
  4. Step 4: Simplify right side
    210,629.40x = 35,006,042,255.58
  5. Step 5: Solve for x
    x = 35,006,042,255.58/210,629.40
  6. Step 6: Final answer
    x = 166,197.32

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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.