Home / 193,315.20-266,774.61-107,287.39

Finding the Fourth Proportional to 193,315.20, 266,774.61 and 107,287.39

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Solution

The fourth proportional to 193,315.20, 266,774.61 and 107,287.39 is: 148,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,315.20 : 266,774.61 = 107,287.39 : x
  2. Step 2: Convert to fraction form
    193,315.20/266,774.61 = 107,287.39/x
  3. Step 3: Cross multiply
    193,315.20x = 266,774.61 × 107,287.39
  4. Step 4: Simplify right side
    193,315.20x = 28,621,551,625.17
  5. Step 5: Solve for x
    x = 28,621,551,625.17/193,315.20
  6. Step 6: Final answer
    x = 148,056.40

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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.