Home / 175,805.14-242,606.09-103,206.86

Finding the Fourth Proportional to 175,805.14, 242,606.09 and 103,206.86

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Solution

The fourth proportional to 175,805.14, 242,606.09 and 103,206.86 is: 142,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,805.14 : 242,606.09 = 103,206.86 : x
  2. Step 2: Convert to fraction form
    175,805.14/242,606.09 = 103,206.86/x
  3. Step 3: Cross multiply
    175,805.14x = 242,606.09 × 103,206.86
  4. Step 4: Simplify right side
    175,805.14x = 25,038,612,765.78
  5. Step 5: Solve for x
    x = 25,038,612,765.78/175,805.14
  6. Step 6: Final answer
    x = 142,422.53

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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.