Home / 353,130.40-529,695.60-227,159.20

Finding the Fourth Proportional to 353,130.40, 529,695.60 and 227,159.20

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Solution

The fourth proportional to 353,130.40, 529,695.60 and 227,159.20 is: 340,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.40 : 529,695.60 = 227,159.20 : x
  2. Step 2: Convert to fraction form
    353,130.40/529,695.60 = 227,159.20/x
  3. Step 3: Cross multiply
    353,130.40x = 529,695.60 × 227,159.20
  4. Step 4: Simplify right side
    353,130.40x = 120,325,228,739.52
  5. Step 5: Solve for x
    x = 120,325,228,739.52/353,130.40
  6. Step 6: Final answer
    x = 340,738.80

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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.