Home / 131,621.46-197,461.35-61,462.50

Finding the Fourth Proportional to 131,621.46, 197,461.35 and 61,462.50

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Solution

The fourth proportional to 131,621.46, 197,461.35 and 61,462.50 is: 92,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,621.46 : 197,461.35 = 61,462.50 : x
  2. Step 2: Convert to fraction form
    131,621.46/197,461.35 = 61,462.50/x
  3. Step 3: Cross multiply
    131,621.46x = 197,461.35 × 61,462.50
  4. Step 4: Simplify right side
    131,621.46x = 12,136,468,224.38
  5. Step 5: Solve for x
    x = 12,136,468,224.38/131,621.46
  6. Step 6: Final answer
    x = 92,207.37

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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.