Home / 130,671.43-195,851.63-91,013.83

Finding the Fourth Proportional to 130,671.43, 195,851.63 and 91,013.83

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Solution

The fourth proportional to 130,671.43, 195,851.63 and 91,013.83 is: 136,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,671.43 : 195,851.63 = 91,013.83 : x
  2. Step 2: Convert to fraction form
    130,671.43/195,851.63 = 91,013.83/x
  3. Step 3: Cross multiply
    130,671.43x = 195,851.63 × 91,013.83
  4. Step 4: Simplify right side
    130,671.43x = 17,825,206,502.97
  5. Step 5: Solve for x
    x = 17,825,206,502.97/130,671.43
  6. Step 6: Final answer
    x = 136,412.42

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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.