Home / 126,113.16-174,005.22-83,087.88

Finding the Fourth Proportional to 126,113.16, 174,005.22 and 83,087.88

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Solution

The fourth proportional to 126,113.16, 174,005.22 and 83,087.88 is: 114,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113.16 : 174,005.22 = 83,087.88 : x
  2. Step 2: Convert to fraction form
    126,113.16/174,005.22 = 83,087.88/x
  3. Step 3: Cross multiply
    126,113.16x = 174,005.22 × 83,087.88
  4. Step 4: Simplify right side
    126,113.16x = 14,457,724,838.73
  5. Step 5: Solve for x
    x = 14,457,724,838.73/126,113.16
  6. Step 6: Final answer
    x = 114,640.89

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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.