Home / 223,072.14-307,841.94-121,098.54

Finding the Fourth Proportional to 223,072.14, 307,841.94 and 121,098.54

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Solution

The fourth proportional to 223,072.14, 307,841.94 and 121,098.54 is: 167,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,072.14 : 307,841.94 = 121,098.54 : x
  2. Step 2: Convert to fraction form
    223,072.14/307,841.94 = 121,098.54/x
  3. Step 3: Cross multiply
    223,072.14x = 307,841.94 × 121,098.54
  4. Step 4: Simplify right side
    223,072.14x = 37,279,209,484.77
  5. Step 5: Solve for x
    x = 37,279,209,484.77/223,072.14
  6. Step 6: Final answer
    x = 167,117.28

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1.5x scale

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.