Home / 126,868.16-174,678.62-107,710.04

Finding the Fourth Proportional to 126,868.16, 174,678.62 and 107,710.04

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Solution

The fourth proportional to 126,868.16, 174,678.62 and 107,710.04 is: 148,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.16 : 174,678.62 = 107,710.04 : x
  2. Step 2: Convert to fraction form
    126,868.16/174,678.62 = 107,710.04/x
  3. Step 3: Cross multiply
    126,868.16x = 174,678.62 × 107,710.04
  4. Step 4: Simplify right side
    126,868.16x = 18,814,639,735.40
  5. Step 5: Solve for x
    x = 18,814,639,735.40/126,868.16
  6. Step 6: Final answer
    x = 148,300.73

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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.