Home / 225,950.04-311,681.52-140,919.48

Finding the Fourth Proportional to 225,950.04, 311,681.52 and 140,919.48

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Solution

The fourth proportional to 225,950.04, 311,681.52 and 140,919.48 is: 194,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,950.04 : 311,681.52 = 140,919.48 : x
  2. Step 2: Convert to fraction form
    225,950.04/311,681.52 = 140,919.48/x
  3. Step 3: Cross multiply
    225,950.04x = 311,681.52 × 140,919.48
  4. Step 4: Simplify right side
    225,950.04x = 43,921,997,724.01
  5. Step 5: Solve for x
    x = 43,921,997,724.01/225,950.04
  6. Step 6: Final answer
    x = 194,388.09

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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.