Home / 199,011.60-274,425.54-153,696.96

Finding the Fourth Proportional to 199,011.60, 274,425.54 and 153,696.96

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Solution

The fourth proportional to 199,011.60, 274,425.54 and 153,696.96 is: 211,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,011.60 : 274,425.54 = 153,696.96 : x
  2. Step 2: Convert to fraction form
    199,011.60/274,425.54 = 153,696.96/x
  3. Step 3: Cross multiply
    199,011.60x = 274,425.54 × 153,696.96
  4. Step 4: Simplify right side
    199,011.60x = 42,178,371,244.36
  5. Step 5: Solve for x
    x = 42,178,371,244.36/199,011.60
  6. Step 6: Final answer
    x = 211,939.26

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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.