Home / 131,285.40-197,165.70-114,955.80

Finding the Fourth Proportional to 131,285.40, 197,165.70 and 114,955.80

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Solution

The fourth proportional to 131,285.40, 197,165.70 and 114,955.80 is: 172,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,285.40 : 197,165.70 = 114,955.80 : x
  2. Step 2: Convert to fraction form
    131,285.40/197,165.70 = 114,955.80/x
  3. Step 3: Cross multiply
    131,285.40x = 197,165.70 × 114,955.80
  4. Step 4: Simplify right side
    131,285.40x = 22,665,340,776.06
  5. Step 5: Solve for x
    x = 22,665,340,776.06/131,285.40
  6. Step 6: Final answer
    x = 172,641.75

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1.5x scale

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.