Home / 136,786.32-205,138.98-48,023.28

Finding the Fourth Proportional to 136,786.32, 205,138.98 and 48,023.28

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Solution

The fourth proportional to 136,786.32, 205,138.98 and 48,023.28 is: 72,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,786.32 : 205,138.98 = 48,023.28 : x
  2. Step 2: Convert to fraction form
    136,786.32/205,138.98 = 48,023.28/x
  3. Step 3: Cross multiply
    136,786.32x = 205,138.98 × 48,023.28
  4. Step 4: Simplify right side
    136,786.32x = 9,851,446,675.45
  5. Step 5: Solve for x
    x = 9,851,446,675.45/136,786.32
  6. Step 6: Final answer
    x = 72,020.70

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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.