Home / 219,087.09-302,354.28-123,591.73

Finding the Fourth Proportional to 219,087.09, 302,354.28 and 123,591.73

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Solution

The fourth proportional to 219,087.09, 302,354.28 and 123,591.73 is: 170,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,087.09 : 302,354.28 = 123,591.73 : x
  2. Step 2: Convert to fraction form
    219,087.09/302,354.28 = 123,591.73/x
  3. Step 3: Cross multiply
    219,087.09x = 302,354.28 × 123,591.73
  4. Step 4: Simplify right side
    219,087.09x = 37,368,488,538.10
  5. Step 5: Solve for x
    x = 37,368,488,538.10/219,087.09
  6. Step 6: Final answer
    x = 170,564.54

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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.