Home / 127,956.20-191,934.30-117,847.40

Finding the Fourth Proportional to 127,956.20, 191,934.30 and 117,847.40

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Solution

The fourth proportional to 127,956.20, 191,934.30 and 117,847.40 is: 176,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,956.20 : 191,934.30 = 117,847.40 : x
  2. Step 2: Convert to fraction form
    127,956.20/191,934.30 = 117,847.40/x
  3. Step 3: Cross multiply
    127,956.20x = 191,934.30 × 117,847.40
  4. Step 4: Simplify right side
    127,956.20x = 22,618,958,225.82
  5. Step 5: Solve for x
    x = 22,618,958,225.82/127,956.20
  6. Step 6: Final answer
    x = 176,771.10

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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.