Home / 211,563.95-317,398.45-104,997.92

Finding the Fourth Proportional to 211,563.95, 317,398.45 and 104,997.92

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Solution

The fourth proportional to 211,563.95, 317,398.45 and 104,997.92 is: 157,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,563.95 : 317,398.45 = 104,997.92 : x
  2. Step 2: Convert to fraction form
    211,563.95/317,398.45 = 104,997.92/x
  3. Step 3: Cross multiply
    211,563.95x = 317,398.45 × 104,997.92
  4. Step 4: Simplify right side
    211,563.95x = 33,326,177,061.22
  5. Step 5: Solve for x
    x = 33,326,177,061.22/211,563.95
  6. Step 6: Final answer
    x = 157,522.95

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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.