Home / 355,529.20-533,099.40-144,929.20

Finding the Fourth Proportional to 355,529.20, 533,099.40 and 144,929.20

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Solution

The fourth proportional to 355,529.20, 533,099.40 and 144,929.20 is: 217,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,529.20 : 533,099.40 = 144,929.20 : x
  2. Step 2: Convert to fraction form
    355,529.20/533,099.40 = 144,929.20/x
  3. Step 3: Cross multiply
    355,529.20x = 533,099.40 × 144,929.20
  4. Step 4: Simplify right side
    355,529.20x = 77,261,669,562.48
  5. Step 5: Solve for x
    x = 77,261,669,562.48/355,529.20
  6. Step 6: Final answer
    x = 217,314.55

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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.