Home / 211,525.70-317,318.18-61,777.04

Finding the Fourth Proportional to 211,525.70, 317,318.18 and 61,777.04

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Solution

The fourth proportional to 211,525.70, 317,318.18 and 61,777.04 is: 92,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.70 : 317,318.18 = 61,777.04 : x
  2. Step 2: Convert to fraction form
    211,525.70/317,318.18 = 61,777.04/x
  3. Step 3: Cross multiply
    211,525.70x = 317,318.18 × 61,777.04
  4. Step 4: Simplify right side
    211,525.70x = 19,602,976,003.11
  5. Step 5: Solve for x
    x = 19,602,976,003.11/211,525.70
  6. Step 6: Final answer
    x = 92,674.21

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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.