Home / 127,679.60-191,519.40-32,909.60

Finding the Fourth Proportional to 127,679.60, 191,519.40 and 32,909.60

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Solution

The fourth proportional to 127,679.60, 191,519.40 and 32,909.60 is: 49,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,679.60 : 191,519.40 = 32,909.60 : x
  2. Step 2: Convert to fraction form
    127,679.60/191,519.40 = 32,909.60/x
  3. Step 3: Cross multiply
    127,679.60x = 191,519.40 × 32,909.60
  4. Step 4: Simplify right side
    127,679.60x = 6,302,826,846.24
  5. Step 5: Solve for x
    x = 6,302,826,846.24/127,679.60
  6. Step 6: Final answer
    x = 49,364.40

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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.