Home / 358,988.44-538,546.70-119,116.76

Finding the Fourth Proportional to 358,988.44, 538,546.70 and 119,116.76

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Solution

The fourth proportional to 358,988.44, 538,546.70 and 119,116.76 is: 178,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,988.44 : 538,546.70 = 119,116.76 : x
  2. Step 2: Convert to fraction form
    358,988.44/538,546.70 = 119,116.76/x
  3. Step 3: Cross multiply
    358,988.44x = 538,546.70 × 119,116.76
  4. Step 4: Simplify right side
    358,988.44x = 64,149,938,012.69
  5. Step 5: Solve for x
    x = 64,149,938,012.69/358,988.44
  6. Step 6: Final answer
    x = 178,696.39

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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.