Home / 202,238.17-279,089.48-111,596.78

Finding the Fourth Proportional to 202,238.17, 279,089.48 and 111,596.78

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Solution

The fourth proportional to 202,238.17, 279,089.48 and 111,596.78 is: 154,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,238.17 : 279,089.48 = 111,596.78 : x
  2. Step 2: Convert to fraction form
    202,238.17/279,089.48 = 111,596.78/x
  3. Step 3: Cross multiply
    202,238.17x = 279,089.48 × 111,596.78
  4. Step 4: Simplify right side
    202,238.17x = 31,145,488,276.59
  5. Step 5: Solve for x
    x = 31,145,488,276.59/202,238.17
  6. Step 6: Final answer
    x = 154,004.01

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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.