Home / 222,746.50-307,390.23-122,146.66

Finding the Fourth Proportional to 222,746.50, 307,390.23 and 122,146.66

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Solution

The fourth proportional to 222,746.50, 307,390.23 and 122,146.66 is: 168,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,746.50 : 307,390.23 = 122,146.66 : x
  2. Step 2: Convert to fraction form
    222,746.50/307,390.23 = 122,146.66/x
  3. Step 3: Cross multiply
    222,746.50x = 307,390.23 × 122,146.66
  4. Step 4: Simplify right side
    222,746.50x = 37,546,689,911.13
  5. Step 5: Solve for x
    x = 37,546,689,911.13/222,746.50
  6. Step 6: Final answer
    x = 168,562.42

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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.