Home / 173,672.20-260,508.30-102,521.80

Finding the Fourth Proportional to 173,672.20, 260,508.30 and 102,521.80

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Solution

The fourth proportional to 173,672.20, 260,508.30 and 102,521.80 is: 153,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,672.20 : 260,508.30 = 102,521.80 : x
  2. Step 2: Convert to fraction form
    173,672.20/260,508.30 = 102,521.80/x
  3. Step 3: Cross multiply
    173,672.20x = 260,508.30 × 102,521.80
  4. Step 4: Simplify right side
    173,672.20x = 26,707,779,830.94
  5. Step 5: Solve for x
    x = 26,707,779,830.94/173,672.20
  6. Step 6: Final answer
    x = 153,782.70

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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.