Home / 211,947.66-317,970.73-62,181.90

Finding the Fourth Proportional to 211,947.66, 317,970.73 and 62,181.90

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Solution

The fourth proportional to 211,947.66, 317,970.73 and 62,181.90 is: 93,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,947.66 : 317,970.73 = 62,181.90 : x
  2. Step 2: Convert to fraction form
    211,947.66/317,970.73 = 62,181.90/x
  3. Step 3: Cross multiply
    211,947.66x = 317,970.73 × 62,181.90
  4. Step 4: Simplify right side
    211,947.66x = 19,772,024,135.79
  5. Step 5: Solve for x
    x = 19,772,024,135.79/211,947.66
  6. Step 6: Final answer
    x = 93,287.30

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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.