Home / 131,807.40-197,322.30-124,117.80

Finding the Fourth Proportional to 131,807.40, 197,322.30 and 124,117.80

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Solution

The fourth proportional to 131,807.40, 197,322.30 and 124,117.80 is: 185,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.40 : 197,322.30 = 124,117.80 : x
  2. Step 2: Convert to fraction form
    131,807.40/197,322.30 = 124,117.80/x
  3. Step 3: Cross multiply
    131,807.40x = 197,322.30 × 124,117.80
  4. Step 4: Simplify right side
    131,807.40x = 24,491,209,766.94
  5. Step 5: Solve for x
    x = 24,491,209,766.94/131,807.40
  6. Step 6: Final answer
    x = 185,810.58

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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.