Home / 360,100.06-496,895.70-198,945.51

Finding the Fourth Proportional to 360,100.06, 496,895.70 and 198,945.51

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Solution

The fourth proportional to 360,100.06, 496,895.70 and 198,945.51 is: 274,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,100.06 : 496,895.70 = 198,945.51 : x
  2. Step 2: Convert to fraction form
    360,100.06/496,895.70 = 198,945.51/x
  3. Step 3: Cross multiply
    360,100.06x = 496,895.70 × 198,945.51
  4. Step 4: Simplify right side
    360,100.06x = 98,855,168,453.31
  5. Step 5: Solve for x
    x = 98,855,168,453.31/360,100.06
  6. Step 6: Final answer
    x = 274,521.39

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Double scale
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1.5x scale

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.