Home / 211,521.17-317,311.43-61,772.52

Finding the Fourth Proportional to 211,521.17, 317,311.43 and 61,772.52

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Solution

The fourth proportional to 211,521.17, 317,311.43 and 61,772.52 is: 92,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,521.17 : 317,311.43 = 61,772.52 : x
  2. Step 2: Convert to fraction form
    211,521.17/317,311.43 = 61,772.52/x
  3. Step 3: Cross multiply
    211,521.17x = 317,311.43 × 61,772.52
  4. Step 4: Simplify right side
    211,521.17x = 19,601,127,536.96
  5. Step 5: Solve for x
    x = 19,601,127,536.96/211,521.17
  6. Step 6: Final answer
    x = 92,667.45

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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.