Home / 173,890.10-261,029.55-134,621.30

Finding the Fourth Proportional to 173,890.10, 261,029.55 and 134,621.30

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Solution

The fourth proportional to 173,890.10, 261,029.55 and 134,621.30 is: 202,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.10 : 261,029.55 = 134,621.30 : x
  2. Step 2: Convert to fraction form
    173,890.10/261,029.55 = 134,621.30/x
  3. Step 3: Cross multiply
    173,890.10x = 261,029.55 × 134,621.30
  4. Step 4: Simplify right side
    173,890.10x = 35,140,137,359.42
  5. Step 5: Solve for x
    x = 35,140,137,359.42/173,890.10
  6. Step 6: Final answer
    x = 202,082.45

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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.