Home / 346,549.60-519,997.20-196,904.80

Finding the Fourth Proportional to 346,549.60, 519,997.20 and 196,904.80

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Solution

The fourth proportional to 346,549.60, 519,997.20 and 196,904.80 is: 295,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,549.60 : 519,997.20 = 196,904.80 : x
  2. Step 2: Convert to fraction form
    346,549.60/519,997.20 = 196,904.80/x
  3. Step 3: Cross multiply
    346,549.60x = 519,997.20 × 196,904.80
  4. Step 4: Simplify right side
    346,549.60x = 102,389,944,666.56
  5. Step 5: Solve for x
    x = 102,389,944,666.56/346,549.60
  6. Step 6: Final answer
    x = 295,455.38

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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.