Home / 141,966.66-195,515.34-138,866.58

Finding the Fourth Proportional to 141,966.66, 195,515.34 and 138,866.58

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Solution

The fourth proportional to 141,966.66, 195,515.34 and 138,866.58 is: 191,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,966.66 : 195,515.34 = 138,866.58 : x
  2. Step 2: Convert to fraction form
    141,966.66/195,515.34 = 138,866.58/x
  3. Step 3: Cross multiply
    141,966.66x = 195,515.34 × 138,866.58
  4. Step 4: Simplify right side
    141,966.66x = 27,150,546,603.34
  5. Step 5: Solve for x
    x = 27,150,546,603.34/141,966.66
  6. Step 6: Final answer
    x = 191,245.93

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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.