Home / 127,538.40-191,300.22-48,660.60

Finding the Fourth Proportional to 127,538.40, 191,300.22 and 48,660.60

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Solution

The fourth proportional to 127,538.40, 191,300.22 and 48,660.60 is: 72,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,538.40 : 191,300.22 = 48,660.60 : x
  2. Step 2: Convert to fraction form
    127,538.40/191,300.22 = 48,660.60/x
  3. Step 3: Cross multiply
    127,538.40x = 191,300.22 × 48,660.60
  4. Step 4: Simplify right side
    127,538.40x = 9,308,783,485.33
  5. Step 5: Solve for x
    x = 9,308,783,485.33/127,538.40
  6. Step 6: Final answer
    x = 72,988.08

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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.