Home / 251,747.76-377,357.16-126,826.80

Finding the Fourth Proportional to 251,747.76, 377,357.16 and 126,826.80

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Solution

The fourth proportional to 251,747.76, 377,357.16 and 126,826.80 is: 190,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,747.76 : 377,357.16 = 126,826.80 : x
  2. Step 2: Convert to fraction form
    251,747.76/377,357.16 = 126,826.80/x
  3. Step 3: Cross multiply
    251,747.76x = 377,357.16 × 126,826.80
  4. Step 4: Simplify right side
    251,747.76x = 47,859,001,059.89
  5. Step 5: Solve for x
    x = 47,859,001,059.89/251,747.76
  6. Step 6: Final answer
    x = 190,106.96

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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.