Home / 346,788.70-520,053.45-136,383.10

Finding the Fourth Proportional to 346,788.70, 520,053.45 and 136,383.10

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Solution

The fourth proportional to 346,788.70, 520,053.45 and 136,383.10 is: 204,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,788.70 : 520,053.45 = 136,383.10 : x
  2. Step 2: Convert to fraction form
    346,788.70/520,053.45 = 136,383.10/x
  3. Step 3: Cross multiply
    346,788.70x = 520,053.45 × 136,383.10
  4. Step 4: Simplify right side
    346,788.70x = 70,926,501,676.70
  5. Step 5: Solve for x
    x = 70,926,501,676.70/346,788.70
  6. Step 6: Final answer
    x = 204,523.68

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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.