Home / 360,145.51-496,987.45-198,997.23

Finding the Fourth Proportional to 360,145.51, 496,987.45 and 198,997.23

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Solution

The fourth proportional to 360,145.51, 496,987.45 and 198,997.23 is: 274,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,145.51 : 496,987.45 = 198,997.23 : x
  2. Step 2: Convert to fraction form
    360,145.51/496,987.45 = 198,997.23/x
  3. Step 3: Cross multiply
    360,145.51x = 496,987.45 × 198,997.23
  4. Step 4: Simplify right side
    360,145.51x = 98,899,125,894.76
  5. Step 5: Solve for x
    x = 98,899,125,894.76/360,145.51
  6. Step 6: Final answer
    x = 274,608.80

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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.