Home / 193,051.23-266,389.20-112,461.90

Finding the Fourth Proportional to 193,051.23, 266,389.20 and 112,461.90

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Solution

The fourth proportional to 193,051.23, 266,389.20 and 112,461.90 is: 155,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,051.23 : 266,389.20 = 112,461.90 : x
  2. Step 2: Convert to fraction form
    193,051.23/266,389.20 = 112,461.90/x
  3. Step 3: Cross multiply
    193,051.23x = 266,389.20 × 112,461.90
  4. Step 4: Simplify right side
    193,051.23x = 29,958,635,571.48
  5. Step 5: Solve for x
    x = 29,958,635,571.48/193,051.23
  6. Step 6: Final answer
    x = 155,184.90

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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.