Home / 346,541.60-519,985.20-196,896.80

Finding the Fourth Proportional to 346,541.60, 519,985.20 and 196,896.80

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Solution

The fourth proportional to 346,541.60, 519,985.20 and 196,896.80 is: 295,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,541.60 : 519,985.20 = 196,896.80 : x
  2. Step 2: Convert to fraction form
    346,541.60/519,985.20 = 196,896.80/x
  3. Step 3: Cross multiply
    346,541.60x = 519,985.20 × 196,896.80
  4. Step 4: Simplify right side
    346,541.60x = 102,383,421,927.36
  5. Step 5: Solve for x
    x = 102,383,421,927.36/346,541.60
  6. Step 6: Final answer
    x = 295,443.38

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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.