Home / 219,048.75-302,297.85-123,553.26

Finding the Fourth Proportional to 219,048.75, 302,297.85 and 123,553.26

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Solution

The fourth proportional to 219,048.75, 302,297.85 and 123,553.26 is: 170,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,048.75 : 302,297.85 = 123,553.26 : x
  2. Step 2: Convert to fraction form
    219,048.75/302,297.85 = 123,553.26/x
  3. Step 3: Cross multiply
    219,048.75x = 302,297.85 × 123,553.26
  4. Step 4: Simplify right side
    219,048.75x = 37,349,884,858.49
  5. Step 5: Solve for x
    x = 37,349,884,858.49/219,048.75
  6. Step 6: Final answer
    x = 170,509.46

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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.