Home / 439,023.20-658,534.80-106,599.20

Finding the Fourth Proportional to 439,023.20, 658,534.80 and 106,599.20

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Solution

The fourth proportional to 439,023.20, 658,534.80 and 106,599.20 is: 159,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,023.20 : 658,534.80 = 106,599.20 : x
  2. Step 2: Convert to fraction form
    439,023.20/658,534.80 = 106,599.20/x
  3. Step 3: Cross multiply
    439,023.20x = 658,534.80 × 106,599.20
  4. Step 4: Simplify right side
    439,023.20x = 70,199,282,852.16
  5. Step 5: Solve for x
    x = 70,199,282,852.16/439,023.20
  6. Step 6: Final answer
    x = 159,898.80

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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.