Home / 113,894.04-170,743.83-80,509.08

Finding the Fourth Proportional to 113,894.04, 170,743.83 and 80,509.08

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Solution

The fourth proportional to 113,894.04, 170,743.83 and 80,509.08 is: 120,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,894.04 : 170,743.83 = 80,509.08 : x
  2. Step 2: Convert to fraction form
    113,894.04/170,743.83 = 80,509.08/x
  3. Step 3: Cross multiply
    113,894.04x = 170,743.83 × 80,509.08
  4. Step 4: Simplify right side
    113,894.04x = 13,746,428,668.98
  5. Step 5: Solve for x
    x = 13,746,428,668.98/113,894.04
  6. Step 6: Final answer
    x = 120,694.89

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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.