Home / 107,792.75-147,676.76-103,752.45

Finding the Fourth Proportional to 107,792.75, 147,676.76 and 103,752.45

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Solution

The fourth proportional to 107,792.75, 147,676.76 and 103,752.45 is: 142,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,792.75 : 147,676.76 = 103,752.45 : x
  2. Step 2: Convert to fraction form
    107,792.75/147,676.76 = 103,752.45/x
  3. Step 3: Cross multiply
    107,792.75x = 147,676.76 × 103,752.45
  4. Step 4: Simplify right side
    107,792.75x = 15,321,825,658.06
  5. Step 5: Solve for x
    x = 15,321,825,658.06/107,792.75
  6. Step 6: Final answer
    x = 142,141.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.