Home / 185,628.98-278,576.21-79,087.55

Finding the Fourth Proportional to 185,628.98, 278,576.21 and 79,087.55

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Solution

The fourth proportional to 185,628.98, 278,576.21 and 79,087.55 is: 118,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.98 : 278,576.21 = 79,087.55 : x
  2. Step 2: Convert to fraction form
    185,628.98/278,576.21 = 79,087.55/x
  3. Step 3: Cross multiply
    185,628.98x = 278,576.21 × 79,087.55
  4. Step 4: Simplify right side
    185,628.98x = 22,031,908,148.87
  5. Step 5: Solve for x
    x = 22,031,908,148.87/185,628.98
  6. Step 6: Final answer
    x = 118,687.87

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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.