Home / 127,898.40-191,847.60-39,152.10

Finding the Fourth Proportional to 127,898.40, 191,847.60 and 39,152.10

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Solution

The fourth proportional to 127,898.40, 191,847.60 and 39,152.10 is: 58,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,898.40 : 191,847.60 = 39,152.10 : x
  2. Step 2: Convert to fraction form
    127,898.40/191,847.60 = 39,152.10/x
  3. Step 3: Cross multiply
    127,898.40x = 191,847.60 × 39,152.10
  4. Step 4: Simplify right side
    127,898.40x = 7,511,236,419.96
  5. Step 5: Solve for x
    x = 7,511,236,419.96/127,898.40
  6. Step 6: Final answer
    x = 58,728.15

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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.