Home / 193,263.63-289,890.70-74,935.01

Finding the Fourth Proportional to 193,263.63, 289,890.70 and 74,935.01

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Solution

The fourth proportional to 193,263.63, 289,890.70 and 74,935.01 is: 112,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,263.63 : 289,890.70 = 74,935.01 : x
  2. Step 2: Convert to fraction form
    193,263.63/289,890.70 = 74,935.01/x
  3. Step 3: Cross multiply
    193,263.63x = 289,890.70 × 74,935.01
  4. Step 4: Simplify right side
    193,263.63x = 21,722,962,503.41
  5. Step 5: Solve for x
    x = 21,722,962,503.41/193,263.63
  6. Step 6: Final answer
    x = 112,400.68

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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.