Home / 195,747.02-270,118.10-115,158.98

Finding the Fourth Proportional to 195,747.02, 270,118.10 and 115,158.98

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Solution

The fourth proportional to 195,747.02, 270,118.10 and 115,158.98 is: 158,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,747.02 : 270,118.10 = 115,158.98 : x
  2. Step 2: Convert to fraction form
    195,747.02/270,118.10 = 115,158.98/x
  3. Step 3: Cross multiply
    195,747.02x = 270,118.10 × 115,158.98
  4. Step 4: Simplify right side
    195,747.02x = 31,106,523,524.95
  5. Step 5: Solve for x
    x = 31,106,523,524.95/195,747.02
  6. Step 6: Final answer
    x = 158,911.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.