Home / 211,010.56-316,414.32-70,671.04

Finding the Fourth Proportional to 211,010.56, 316,414.32 and 70,671.04

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Solution

The fourth proportional to 211,010.56, 316,414.32 and 70,671.04 is: 105,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,010.56 : 316,414.32 = 70,671.04 : x
  2. Step 2: Convert to fraction form
    211,010.56/316,414.32 = 70,671.04/x
  3. Step 3: Cross multiply
    211,010.56x = 316,414.32 × 70,671.04
  4. Step 4: Simplify right side
    211,010.56x = 22,361,329,065.29
  5. Step 5: Solve for x
    x = 22,361,329,065.29/211,010.56
  6. Step 6: Final answer
    x = 105,972.56

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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.