Home / 357,630.21-493,533.03-196,488.60

Finding the Fourth Proportional to 357,630.21, 493,533.03 and 196,488.60

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Solution

The fourth proportional to 357,630.21, 493,533.03 and 196,488.60 is: 271,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,630.21 : 493,533.03 = 196,488.60 : x
  2. Step 2: Convert to fraction form
    357,630.21/493,533.03 = 196,488.60/x
  3. Step 3: Cross multiply
    357,630.21x = 493,533.03 × 196,488.60
  4. Step 4: Simplify right side
    357,630.21x = 96,973,614,118.46
  5. Step 5: Solve for x
    x = 96,973,614,118.46/357,630.21
  6. Step 6: Final answer
    x = 271,156.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.