Home / 223,149.83-307,946.41-122,547.83

Finding the Fourth Proportional to 223,149.83, 307,946.41 and 122,547.83

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Solution

The fourth proportional to 223,149.83, 307,946.41 and 122,547.83 is: 169,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,149.83 : 307,946.41 = 122,547.83 : x
  2. Step 2: Convert to fraction form
    223,149.83/307,946.41 = 122,547.83/x
  3. Step 3: Cross multiply
    223,149.83x = 307,946.41 × 122,547.83
  4. Step 4: Simplify right side
    223,149.83x = 37,738,162,455.69
  5. Step 5: Solve for x
    x = 37,738,162,455.69/223,149.83
  6. Step 6: Final answer
    x = 169,115.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.