Home / 127,825.80-191,796.30-61,240.20

Finding the Fourth Proportional to 127,825.80, 191,796.30 and 61,240.20

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Solution

The fourth proportional to 127,825.80, 191,796.30 and 61,240.20 is: 91,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825.80 : 191,796.30 = 61,240.20 : x
  2. Step 2: Convert to fraction form
    127,825.80/191,796.30 = 61,240.20/x
  3. Step 3: Cross multiply
    127,825.80x = 191,796.30 × 61,240.20
  4. Step 4: Simplify right side
    127,825.80x = 11,745,643,771.26
  5. Step 5: Solve for x
    x = 11,745,643,771.26/127,825.80
  6. Step 6: Final answer
    x = 91,887.90

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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.