Home / 105,618.32-158,033.76-104,437.28

Finding the Fourth Proportional to 105,618.32, 158,033.76 and 104,437.28

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Solution

The fourth proportional to 105,618.32, 158,033.76 and 104,437.28 is: 156,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,618.32 : 158,033.76 = 104,437.28 : x
  2. Step 2: Convert to fraction form
    105,618.32/158,033.76 = 104,437.28/x
  3. Step 3: Cross multiply
    105,618.32x = 158,033.76 × 104,437.28
  4. Step 4: Simplify right side
    105,618.32x = 16,504,616,042.57
  5. Step 5: Solve for x
    x = 16,504,616,042.57/105,618.32
  6. Step 6: Final answer
    x = 156,266.60

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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.