Home / 127,821.60-191,732.40-33,051.60

Finding the Fourth Proportional to 127,821.60, 191,732.40 and 33,051.60

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Solution

The fourth proportional to 127,821.60, 191,732.40 and 33,051.60 is: 49,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,821.60 : 191,732.40 = 33,051.60 : x
  2. Step 2: Convert to fraction form
    127,821.60/191,732.40 = 33,051.60/x
  3. Step 3: Cross multiply
    127,821.60x = 191,732.40 × 33,051.60
  4. Step 4: Simplify right side
    127,821.60x = 6,337,062,591.84
  5. Step 5: Solve for x
    x = 6,337,062,591.84/127,821.60
  6. Step 6: Final answer
    x = 49,577.40

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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.