Home / 346,747.60-520,294.20-197,102.80

Finding the Fourth Proportional to 346,747.60, 520,294.20 and 197,102.80

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Solution

The fourth proportional to 346,747.60, 520,294.20 and 197,102.80 is: 295,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,747.60 : 520,294.20 = 197,102.80 : x
  2. Step 2: Convert to fraction form
    346,747.60/520,294.20 = 197,102.80/x
  3. Step 3: Cross multiply
    346,747.60x = 520,294.20 × 197,102.80
  4. Step 4: Simplify right side
    346,747.60x = 102,551,443,643.76
  5. Step 5: Solve for x
    x = 102,551,443,643.76/346,747.60
  6. Step 6: Final answer
    x = 295,752.43

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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.