Home / 175,855.06-242,668.47-112,186

Finding the Fourth Proportional to 175,855.06, 242,668.47 and 112,186

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Solution

The fourth proportional to 175,855.06, 242,668.47 and 112,186 is: 154,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,855.06 : 242,668.47 = 112,186 : x
  2. Step 2: Convert to fraction form
    175,855.06/242,668.47 = 112,186/x
  3. Step 3: Cross multiply
    175,855.06x = 242,668.47 × 112,186
  4. Step 4: Simplify right side
    175,855.06x = 27,224,004,975.42
  5. Step 5: Solve for x
    x = 27,224,004,975.42/175,855.06
  6. Step 6: Final answer
    x = 154,809.34

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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.