Home / 217,227.01-299,666.75-188,506.36

Finding the Fourth Proportional to 217,227.01, 299,666.75 and 188,506.36

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Solution

The fourth proportional to 217,227.01, 299,666.75 and 188,506.36 is: 260,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,227.01 : 299,666.75 = 188,506.36 : x
  2. Step 2: Convert to fraction form
    217,227.01/299,666.75 = 188,506.36/x
  3. Step 3: Cross multiply
    217,227.01x = 299,666.75 × 188,506.36
  4. Step 4: Simplify right side
    217,227.01x = 56,489,087,313.00
  5. Step 5: Solve for x
    x = 56,489,087,313.00/217,227.01
  6. Step 6: Final answer
    x = 260,046.33

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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.