Home / 307,665.17-461,546.55-130,173.50

Finding the Fourth Proportional to 307,665.17, 461,546.55 and 130,173.50

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Solution

The fourth proportional to 307,665.17, 461,546.55 and 130,173.50 is: 195,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,665.17 : 461,546.55 = 130,173.50 : x
  2. Step 2: Convert to fraction form
    307,665.17/461,546.55 = 130,173.50/x
  3. Step 3: Cross multiply
    307,665.17x = 461,546.55 × 130,173.50
  4. Step 4: Simplify right side
    307,665.17x = 60,081,129,826.43
  5. Step 5: Solve for x
    x = 60,081,129,826.43/307,665.17
  6. Step 6: Final answer
    x = 195,280.90

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1.5x scale

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.