Home / 346,546.20-520,013.70-146,832.60

Finding the Fourth Proportional to 346,546.20, 520,013.70 and 146,832.60

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Solution

The fourth proportional to 346,546.20, 520,013.70 and 146,832.60 is: 220,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,546.20 : 520,013.70 = 146,832.60 : x
  2. Step 2: Convert to fraction form
    346,546.20/520,013.70 = 146,832.60/x
  3. Step 3: Cross multiply
    346,546.20x = 520,013.70 × 146,832.60
  4. Step 4: Simplify right side
    346,546.20x = 76,354,963,606.62
  5. Step 5: Solve for x
    x = 76,354,963,606.62/346,546.20
  6. Step 6: Final answer
    x = 220,331.27

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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.