Home / 131,985.40-197,589.30-124,295.80

Finding the Fourth Proportional to 131,985.40, 197,589.30 and 124,295.80

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Solution

The fourth proportional to 131,985.40, 197,589.30 and 124,295.80 is: 186,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,985.40 : 197,589.30 = 124,295.80 : x
  2. Step 2: Convert to fraction form
    131,985.40/197,589.30 = 124,295.80/x
  3. Step 3: Cross multiply
    131,985.40x = 197,589.30 × 124,295.80
  4. Step 4: Simplify right side
    131,985.40x = 24,559,520,114.94
  5. Step 5: Solve for x
    x = 24,559,520,114.94/131,985.40
  6. Step 6: Final answer
    x = 186,077.55

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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.