Home / 245,320.56-368,680.68-120,749.04

Finding the Fourth Proportional to 245,320.56, 368,680.68 and 120,749.04

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Solution

The fourth proportional to 245,320.56, 368,680.68 and 120,749.04 is: 181,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,320.56 : 368,680.68 = 120,749.04 : x
  2. Step 2: Convert to fraction form
    245,320.56/368,680.68 = 120,749.04/x
  3. Step 3: Cross multiply
    245,320.56x = 368,680.68 × 120,749.04
  4. Step 4: Simplify right side
    245,320.56x = 44,517,838,176.55
  5. Step 5: Solve for x
    x = 44,517,838,176.55/245,320.56
  6. Step 6: Final answer
    x = 181,468.03

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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.