Home / 250,919.10-346,259.39-142,021.10

Finding the Fourth Proportional to 250,919.10, 346,259.39 and 142,021.10

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Solution

The fourth proportional to 250,919.10, 346,259.39 and 142,021.10 is: 195,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,919.10 : 346,259.39 = 142,021.10 : x
  2. Step 2: Convert to fraction form
    250,919.10/346,259.39 = 142,021.10/x
  3. Step 3: Cross multiply
    250,919.10x = 346,259.39 × 142,021.10
  4. Step 4: Simplify right side
    250,919.10x = 49,176,139,453.13
  5. Step 5: Solve for x
    x = 49,176,139,453.13/250,919.10
  6. Step 6: Final answer
    x = 195,984.04

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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.