Home / 127,817.82-191,727.27-39,070.98

Finding the Fourth Proportional to 127,817.82, 191,727.27 and 39,070.98

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Solution

The fourth proportional to 127,817.82, 191,727.27 and 39,070.98 is: 58,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,817.82 : 191,727.27 = 39,070.98 : x
  2. Step 2: Convert to fraction form
    127,817.82/191,727.27 = 39,070.98/x
  3. Step 3: Cross multiply
    127,817.82x = 191,727.27 × 39,070.98
  4. Step 4: Simplify right side
    127,817.82x = 7,490,972,331.62
  5. Step 5: Solve for x
    x = 7,490,972,331.62/127,817.82
  6. Step 6: Final answer
    x = 58,606.64

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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.