Home / 127,711.40-191,567.10-34,226.60

Finding the Fourth Proportional to 127,711.40, 191,567.10 and 34,226.60

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Solution

The fourth proportional to 127,711.40, 191,567.10 and 34,226.60 is: 51,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,711.40 : 191,567.10 = 34,226.60 : x
  2. Step 2: Convert to fraction form
    127,711.40/191,567.10 = 34,226.60/x
  3. Step 3: Cross multiply
    127,711.40x = 191,567.10 × 34,226.60
  4. Step 4: Simplify right side
    127,711.40x = 6,556,690,504.86
  5. Step 5: Solve for x
    x = 6,556,690,504.86/127,711.40
  6. Step 6: Final answer
    x = 51,339.90

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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.