Home / 117,836.79-176,757.08-111,855.35

Finding the Fourth Proportional to 117,836.79, 176,757.08 and 111,855.35

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Solution

The fourth proportional to 117,836.79, 176,757.08 and 111,855.35 is: 167,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,836.79 : 176,757.08 = 111,855.35 : x
  2. Step 2: Convert to fraction form
    117,836.79/176,757.08 = 111,855.35/x
  3. Step 3: Cross multiply
    117,836.79x = 176,757.08 × 111,855.35
  4. Step 4: Simplify right side
    117,836.79x = 19,771,223,605.32
  5. Step 5: Solve for x
    x = 19,771,223,605.32/117,836.79
  6. Step 6: Final answer
    x = 167,784.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.