Home / 211,491.95-317,256.58-59,690.38

Finding the Fourth Proportional to 211,491.95, 317,256.58 and 59,690.38

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Solution

The fourth proportional to 211,491.95, 317,256.58 and 59,690.38 is: 89,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,491.95 : 317,256.58 = 59,690.38 : x
  2. Step 2: Convert to fraction form
    211,491.95/317,256.58 = 59,690.38/x
  3. Step 3: Cross multiply
    211,491.95x = 317,256.58 × 59,690.38
  4. Step 4: Simplify right side
    211,491.95x = 18,937,165,817.70
  5. Step 5: Solve for x
    x = 18,937,165,817.70/211,491.95
  6. Step 6: Final answer
    x = 89,540.84

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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.