Home / 205,173.10-307,788.45-64,917.10

Finding the Fourth Proportional to 205,173.10, 307,788.45 and 64,917.10

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Solution

The fourth proportional to 205,173.10, 307,788.45 and 64,917.10 is: 97,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,173.10 : 307,788.45 = 64,917.10 : x
  2. Step 2: Convert to fraction form
    205,173.10/307,788.45 = 64,917.10/x
  3. Step 3: Cross multiply
    205,173.10x = 307,788.45 × 64,917.10
  4. Step 4: Simplify right side
    205,173.10x = 19,980,733,587.50
  5. Step 5: Solve for x
    x = 19,980,733,587.50/205,173.10
  6. Step 6: Final answer
    x = 97,384.76

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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.