Home / 127,478.75-191,245.91-42,093.34

Finding the Fourth Proportional to 127,478.75, 191,245.91 and 42,093.34

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Solution

The fourth proportional to 127,478.75, 191,245.91 and 42,093.34 is: 63,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478.75 : 191,245.91 = 42,093.34 : x
  2. Step 2: Convert to fraction form
    127,478.75/191,245.91 = 42,093.34/x
  3. Step 3: Cross multiply
    127,478.75x = 191,245.91 × 42,093.34
  4. Step 4: Simplify right side
    127,478.75x = 8,050,178,424.66
  5. Step 5: Solve for x
    x = 8,050,178,424.66/127,478.75
  6. Step 6: Final answer
    x = 63,149.18

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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.