Home / 211,784.37-317,583.27-99,496.50

Finding the Fourth Proportional to 211,784.37, 317,583.27 and 99,496.50

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Solution

The fourth proportional to 211,784.37, 317,583.27 and 99,496.50 is: 149,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,784.37 : 317,583.27 = 99,496.50 : x
  2. Step 2: Convert to fraction form
    211,784.37/317,583.27 = 99,496.50/x
  3. Step 3: Cross multiply
    211,784.37x = 317,583.27 × 99,496.50
  4. Step 4: Simplify right side
    211,784.37x = 31,598,423,823.56
  5. Step 5: Solve for x
    x = 31,598,423,823.56/211,784.37
  6. Step 6: Final answer
    x = 149,200.92

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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.