Home / 107,195.40-147,910.58-64,725.48

Finding the Fourth Proportional to 107,195.40, 147,910.58 and 64,725.48

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Solution

The fourth proportional to 107,195.40, 147,910.58 and 64,725.48 is: 89,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,195.40 : 147,910.58 = 64,725.48 : x
  2. Step 2: Convert to fraction form
    107,195.40/147,910.58 = 64,725.48/x
  3. Step 3: Cross multiply
    107,195.40x = 147,910.58 × 64,725.48
  4. Step 4: Simplify right side
    107,195.40x = 9,573,583,287.58
  5. Step 5: Solve for x
    x = 9,573,583,287.58/107,195.40
  6. Step 6: Final answer
    x = 89,309.65

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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.