Home / 193,280.63-266,756.42-117,872.87

Finding the Fourth Proportional to 193,280.63, 266,756.42 and 117,872.87

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Solution

The fourth proportional to 193,280.63, 266,756.42 and 117,872.87 is: 162,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,280.63 : 266,756.42 = 117,872.87 : x
  2. Step 2: Convert to fraction form
    193,280.63/266,756.42 = 117,872.87/x
  3. Step 3: Cross multiply
    193,280.63x = 266,756.42 × 117,872.87
  4. Step 4: Simplify right side
    193,280.63x = 31,443,343,777.23
  5. Step 5: Solve for x
    x = 31,443,343,777.23/193,280.63
  6. Step 6: Final answer
    x = 162,682.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.