Home / 107,475.68-148,160.14-75,109.84

Finding the Fourth Proportional to 107,475.68, 148,160.14 and 75,109.84

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Solution

The fourth proportional to 107,475.68, 148,160.14 and 75,109.84 is: 103,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,475.68 : 148,160.14 = 75,109.84 : x
  2. Step 2: Convert to fraction form
    107,475.68/148,160.14 = 75,109.84/x
  3. Step 3: Cross multiply
    107,475.68x = 148,160.14 × 75,109.84
  4. Step 4: Simplify right side
    107,475.68x = 11,128,283,851.60
  5. Step 5: Solve for x
    x = 11,128,283,851.60/107,475.68
  6. Step 6: Final answer
    x = 103,542.34

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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.