Home / 131,576.55-197,366.67-42,830.52

Finding the Fourth Proportional to 131,576.55, 197,366.67 and 42,830.52

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Solution

The fourth proportional to 131,576.55, 197,366.67 and 42,830.52 is: 64,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,576.55 : 197,366.67 = 42,830.52 : x
  2. Step 2: Convert to fraction form
    131,576.55/197,366.67 = 42,830.52/x
  3. Step 3: Cross multiply
    131,576.55x = 197,366.67 × 42,830.52
  4. Step 4: Simplify right side
    131,576.55x = 8,453,317,106.77
  5. Step 5: Solve for x
    x = 8,453,317,106.77/131,576.55
  6. Step 6: Final answer
    x = 64,246.38

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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.