Home / 279,212.04-418,659.12-190,572.92

Finding the Fourth Proportional to 279,212.04, 418,659.12 and 190,572.92

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Solution

The fourth proportional to 279,212.04, 418,659.12 and 190,572.92 is: 285,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,212.04 : 418,659.12 = 190,572.92 : x
  2. Step 2: Convert to fraction form
    279,212.04/418,659.12 = 190,572.92/x
  3. Step 3: Cross multiply
    279,212.04x = 418,659.12 × 190,572.92
  4. Step 4: Simplify right side
    279,212.04x = 79,785,090,983.03
  5. Step 5: Solve for x
    x = 79,785,090,983.03/279,212.04
  6. Step 6: Final answer
    x = 285,750.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.