Home / 127,511.40-191,267.10-113,514.60

Finding the Fourth Proportional to 127,511.40, 191,267.10 and 113,514.60

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Solution

The fourth proportional to 127,511.40, 191,267.10 and 113,514.60 is: 170,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,511.40 : 191,267.10 = 113,514.60 : x
  2. Step 2: Convert to fraction form
    127,511.40/191,267.10 = 113,514.60/x
  3. Step 3: Cross multiply
    127,511.40x = 191,267.10 × 113,514.60
  4. Step 4: Simplify right side
    127,511.40x = 21,711,608,349.66
  5. Step 5: Solve for x
    x = 21,711,608,349.66/127,511.40
  6. Step 6: Final answer
    x = 170,271.90

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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.