Home / 126,870.91-190,306.29-118,463.36

Finding the Fourth Proportional to 126,870.91, 190,306.29 and 118,463.36

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Solution

The fourth proportional to 126,870.91, 190,306.29 and 118,463.36 is: 177,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.91 : 190,306.29 = 118,463.36 : x
  2. Step 2: Convert to fraction form
    126,870.91/190,306.29 = 118,463.36/x
  3. Step 3: Cross multiply
    126,870.91x = 190,306.29 × 118,463.36
  4. Step 4: Simplify right side
    126,870.91x = 22,544,322,035.24
  5. Step 5: Solve for x
    x = 22,544,322,035.24/126,870.91
  6. Step 6: Final answer
    x = 177,694.97

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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.