Home / 236,819.06-355,368.69-87,164.46

Finding the Fourth Proportional to 236,819.06, 355,368.69 and 87,164.46

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Solution

The fourth proportional to 236,819.06, 355,368.69 and 87,164.46 is: 130,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,819.06 : 355,368.69 = 87,164.46 : x
  2. Step 2: Convert to fraction form
    236,819.06/355,368.69 = 87,164.46/x
  3. Step 3: Cross multiply
    236,819.06x = 355,368.69 × 87,164.46
  4. Step 4: Simplify right side
    236,819.06x = 30,975,519,964.76
  5. Step 5: Solve for x
    x = 30,975,519,964.76/236,819.06
  6. Step 6: Final answer
    x = 130,798.26

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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.