Home / 151,568.33-209,161.53-83,591.58

Finding the Fourth Proportional to 151,568.33, 209,161.53 and 83,591.58

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Solution

The fourth proportional to 151,568.33, 209,161.53 and 83,591.58 is: 115,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,568.33 : 209,161.53 = 83,591.58 : x
  2. Step 2: Convert to fraction form
    151,568.33/209,161.53 = 83,591.58/x
  3. Step 3: Cross multiply
    151,568.33x = 209,161.53 × 83,591.58
  4. Step 4: Simplify right side
    151,568.33x = 17,484,142,767.92
  5. Step 5: Solve for x
    x = 17,484,142,767.92/151,568.33
  6. Step 6: Final answer
    x = 115,354.86

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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.