Home / 126,957.40-190,448.73-47,016.76

Finding the Fourth Proportional to 126,957.40, 190,448.73 and 47,016.76

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Solution

The fourth proportional to 126,957.40, 190,448.73 and 47,016.76 is: 70,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.40 : 190,448.73 = 47,016.76 : x
  2. Step 2: Convert to fraction form
    126,957.40/190,448.73 = 47,016.76/x
  3. Step 3: Cross multiply
    126,957.40x = 190,448.73 × 47,016.76
  4. Step 4: Simplify right side
    126,957.40x = 8,954,282,230.71
  5. Step 5: Solve for x
    x = 8,954,282,230.71/126,957.40
  6. Step 6: Final answer
    x = 70,529.82

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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.