Home / 195,043.20-291,981.60-116,116.80

Finding the Fourth Proportional to 195,043.20, 291,981.60 and 116,116.80

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Solution

The fourth proportional to 195,043.20, 291,981.60 and 116,116.80 is: 173,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,043.20 : 291,981.60 = 116,116.80 : x
  2. Step 2: Convert to fraction form
    195,043.20/291,981.60 = 116,116.80/x
  3. Step 3: Cross multiply
    195,043.20x = 291,981.60 × 116,116.80
  4. Step 4: Simplify right side
    195,043.20x = 33,903,969,050.88
  5. Step 5: Solve for x
    x = 33,903,969,050.88/195,043.20
  6. Step 6: Final answer
    x = 173,828.00

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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.