Home / 202,215.98-279,057.22-111,577.58

Finding the Fourth Proportional to 202,215.98, 279,057.22 and 111,577.58

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Solution

The fourth proportional to 202,215.98, 279,057.22 and 111,577.58 is: 153,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.98 : 279,057.22 = 111,577.58 : x
  2. Step 2: Convert to fraction form
    202,215.98/279,057.22 = 111,577.58/x
  3. Step 3: Cross multiply
    202,215.98x = 279,057.22 × 111,577.58
  4. Step 4: Simplify right side
    202,215.98x = 31,136,529,289.13
  5. Step 5: Solve for x
    x = 31,136,529,289.13/202,215.98
  6. Step 6: Final answer
    x = 153,976.60

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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.