Home / 202,202.58-279,037.80-111,559.35

Finding the Fourth Proportional to 202,202.58, 279,037.80 and 111,559.35

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Solution

The fourth proportional to 202,202.58, 279,037.80 and 111,559.35 is: 153,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,202.58 : 279,037.80 = 111,559.35 : x
  2. Step 2: Convert to fraction form
    202,202.58/279,037.80 = 111,559.35/x
  3. Step 3: Cross multiply
    202,202.58x = 279,037.80 × 111,559.35
  4. Step 4: Simplify right side
    202,202.58x = 31,129,275,593.43
  5. Step 5: Solve for x
    x = 31,129,275,593.43/202,202.58
  6. Step 6: Final answer
    x = 153,950.93

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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.