Home / 126,964.28-190,282.40-60,424.81

Finding the Fourth Proportional to 126,964.28, 190,282.40 and 60,424.81

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Solution

The fourth proportional to 126,964.28, 190,282.40 and 60,424.81 is: 90,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,964.28 : 190,282.40 = 60,424.81 : x
  2. Step 2: Convert to fraction form
    126,964.28/190,282.40 = 60,424.81/x
  3. Step 3: Cross multiply
    126,964.28x = 190,282.40 × 60,424.81
  4. Step 4: Simplify right side
    126,964.28x = 11,497,777,315.11
  5. Step 5: Solve for x
    x = 11,497,777,315.11/126,964.28
  6. Step 6: Final answer
    x = 90,559.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.