Home / 219,350.01-302,699.39-122,555.62

Finding the Fourth Proportional to 219,350.01, 302,699.39 and 122,555.62

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Solution

The fourth proportional to 219,350.01, 302,699.39 and 122,555.62 is: 169,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,350.01 : 302,699.39 = 122,555.62 : x
  2. Step 2: Convert to fraction form
    219,350.01/302,699.39 = 122,555.62/x
  3. Step 3: Cross multiply
    219,350.01x = 302,699.39 × 122,555.62
  4. Step 4: Simplify right side
    219,350.01x = 37,097,511,415.07
  5. Step 5: Solve for x
    x = 37,097,511,415.07/219,350.01
  6. Step 6: Final answer
    x = 169,124.73

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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.