Home / 127,877.36-191,808.96-39,130.88

Finding the Fourth Proportional to 127,877.36, 191,808.96 and 39,130.88

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Solution

The fourth proportional to 127,877.36, 191,808.96 and 39,130.88 is: 58,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,877.36 : 191,808.96 = 39,130.88 : x
  2. Step 2: Convert to fraction form
    127,877.36/191,808.96 = 39,130.88/x
  3. Step 3: Cross multiply
    127,877.36x = 191,808.96 × 39,130.88
  4. Step 4: Simplify right side
    127,877.36x = 7,505,653,396.68
  5. Step 5: Solve for x
    x = 7,505,653,396.68/127,877.36
  6. Step 6: Final answer
    x = 58,694.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.