Home / 250,748.39-346,032.78-143,320.73

Finding the Fourth Proportional to 250,748.39, 346,032.78 and 143,320.73

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Solution

The fourth proportional to 250,748.39, 346,032.78 and 143,320.73 is: 197,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,748.39 : 346,032.78 = 143,320.73 : x
  2. Step 2: Convert to fraction form
    250,748.39/346,032.78 = 143,320.73/x
  3. Step 3: Cross multiply
    250,748.39x = 346,032.78 × 143,320.73
  4. Step 4: Simplify right side
    250,748.39x = 49,593,669,051.84
  5. Step 5: Solve for x
    x = 49,593,669,051.84/250,748.39
  6. Step 6: Final answer
    x = 197,782.60

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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.