Home / 202,203.58-279,039.18-111,560.35

Finding the Fourth Proportional to 202,203.58, 279,039.18 and 111,560.35

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Solution

The fourth proportional to 202,203.58, 279,039.18 and 111,560.35 is: 153,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,203.58 : 279,039.18 = 111,560.35 : x
  2. Step 2: Convert to fraction form
    202,203.58/279,039.18 = 111,560.35/x
  3. Step 3: Cross multiply
    202,203.58x = 279,039.18 × 111,560.35
  4. Step 4: Simplify right side
    202,203.58x = 31,129,708,584.51
  5. Step 5: Solve for x
    x = 31,129,708,584.51/202,203.58
  6. Step 6: Final answer
    x = 153,952.31

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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.