Home / 175,619.94-242,357.04-100,173.30

Finding the Fourth Proportional to 175,619.94, 242,357.04 and 100,173.30

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Solution

The fourth proportional to 175,619.94, 242,357.04 and 100,173.30 is: 138,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,619.94 : 242,357.04 = 100,173.30 : x
  2. Step 2: Convert to fraction form
    175,619.94/242,357.04 = 100,173.30/x
  3. Step 3: Cross multiply
    175,619.94x = 242,357.04 × 100,173.30
  4. Step 4: Simplify right side
    175,619.94x = 24,277,704,475.03
  5. Step 5: Solve for x
    x = 24,277,704,475.03/175,619.94
  6. Step 6: Final answer
    x = 138,240.02

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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.