Home / 107,198.07-147,936.12-58,802.10

Finding the Fourth Proportional to 107,198.07, 147,936.12 and 58,802.10

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Solution

The fourth proportional to 107,198.07, 147,936.12 and 58,802.10 is: 81,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,198.07 : 147,936.12 = 58,802.10 : x
  2. Step 2: Convert to fraction form
    107,198.07/147,936.12 = 58,802.10/x
  3. Step 3: Cross multiply
    107,198.07x = 147,936.12 × 58,802.10
  4. Step 4: Simplify right side
    107,198.07x = 8,698,954,521.85
  5. Step 5: Solve for x
    x = 8,698,954,521.85/107,198.07
  6. Step 6: Final answer
    x = 81,148.42

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1.5x scale

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.