Home / 322,749.48-445,363.08-186,756.30

Finding the Fourth Proportional to 322,749.48, 445,363.08 and 186,756.30

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Solution

The fourth proportional to 322,749.48, 445,363.08 and 186,756.30 is: 257,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,749.48 : 445,363.08 = 186,756.30 : x
  2. Step 2: Convert to fraction form
    322,749.48/445,363.08 = 186,756.30/x
  3. Step 3: Cross multiply
    322,749.48x = 445,363.08 × 186,756.30
  4. Step 4: Simplify right side
    322,749.48x = 83,174,360,977.40
  5. Step 5: Solve for x
    x = 83,174,360,977.40/322,749.48
  6. Step 6: Final answer
    x = 257,705.64

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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.