Home / 175,839.92-242,742.92-100,373.84

Finding the Fourth Proportional to 175,839.92, 242,742.92 and 100,373.84

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Solution

The fourth proportional to 175,839.92, 242,742.92 and 100,373.84 is: 138,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,839.92 : 242,742.92 = 100,373.84 : x
  2. Step 2: Convert to fraction form
    175,839.92/242,742.92 = 100,373.84/x
  3. Step 3: Cross multiply
    175,839.92x = 242,742.92 × 100,373.84
  4. Step 4: Simplify right side
    175,839.92x = 24,365,039,013.21
  5. Step 5: Solve for x
    x = 24,365,039,013.21/175,839.92
  6. Step 6: Final answer
    x = 138,563.75

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1.5x scale

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.