Home / 219,060.36-302,290.68-123,561.36

Finding the Fourth Proportional to 219,060.36, 302,290.68 and 123,561.36

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Solution

The fourth proportional to 219,060.36, 302,290.68 and 123,561.36 is: 170,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060.36 : 302,290.68 = 123,561.36 : x
  2. Step 2: Convert to fraction form
    219,060.36/302,290.68 = 123,561.36/x
  3. Step 3: Cross multiply
    219,060.36x = 302,290.68 × 123,561.36
  4. Step 4: Simplify right side
    219,060.36x = 37,351,447,536.12
  5. Step 5: Solve for x
    x = 37,351,447,536.12/219,060.36
  6. Step 6: Final answer
    x = 170,507.56

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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.