Home / 264,973.20-397,629.90-146,729.40

Finding the Fourth Proportional to 264,973.20, 397,629.90 and 146,729.40

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Solution

The fourth proportional to 264,973.20, 397,629.90 and 146,729.40 is: 220,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,973.20 : 397,629.90 = 146,729.40 : x
  2. Step 2: Convert to fraction form
    264,973.20/397,629.90 = 146,729.40/x
  3. Step 3: Cross multiply
    264,973.20x = 397,629.90 × 146,729.40
  4. Step 4: Simplify right side
    264,973.20x = 58,343,996,649.06
  5. Step 5: Solve for x
    x = 58,343,996,649.06/264,973.20
  6. Step 6: Final answer
    x = 220,188.29

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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.