Home / 175,835.64-242,651.88-100,383.96

Finding the Fourth Proportional to 175,835.64, 242,651.88 and 100,383.96

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Solution

The fourth proportional to 175,835.64, 242,651.88 and 100,383.96 is: 138,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,835.64 : 242,651.88 = 100,383.96 : x
  2. Step 2: Convert to fraction form
    175,835.64/242,651.88 = 100,383.96/x
  3. Step 3: Cross multiply
    175,835.64x = 242,651.88 × 100,383.96
  4. Step 4: Simplify right side
    175,835.64x = 24,358,356,615.84
  5. Step 5: Solve for x
    x = 24,358,356,615.84/175,835.64
  6. Step 6: Final answer
    x = 138,529.12

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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.