Home / 193,341.28-266,809.80-112,762.48

Finding the Fourth Proportional to 193,341.28, 266,809.80 and 112,762.48

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Solution

The fourth proportional to 193,341.28, 266,809.80 and 112,762.48 is: 155,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,341.28 : 266,809.80 = 112,762.48 : x
  2. Step 2: Convert to fraction form
    193,341.28/266,809.80 = 112,762.48/x
  3. Step 3: Cross multiply
    193,341.28x = 266,809.80 × 112,762.48
  4. Step 4: Simplify right side
    193,341.28x = 30,086,134,736.30
  5. Step 5: Solve for x
    x = 30,086,134,736.30/193,341.28
  6. Step 6: Final answer
    x = 155,611.54

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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.