Home / 217,086.51-299,414.82-190,182.36

Finding the Fourth Proportional to 217,086.51, 299,414.82 and 190,182.36

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Solution

The fourth proportional to 217,086.51, 299,414.82 and 190,182.36 is: 262,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,086.51 : 299,414.82 = 190,182.36 : x
  2. Step 2: Convert to fraction form
    217,086.51/299,414.82 = 190,182.36/x
  3. Step 3: Cross multiply
    217,086.51x = 299,414.82 × 190,182.36
  4. Step 4: Simplify right side
    217,086.51x = 56,943,417,086.58
  5. Step 5: Solve for x
    x = 56,943,417,086.58/217,086.51
  6. Step 6: Final answer
    x = 262,307.49

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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.