Home / 156,734.45-235,137.14-51,554.33

Finding the Fourth Proportional to 156,734.45, 235,137.14 and 51,554.33

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Solution

The fourth proportional to 156,734.45, 235,137.14 and 51,554.33 is: 77,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734.45 : 235,137.14 = 51,554.33 : x
  2. Step 2: Convert to fraction form
    156,734.45/235,137.14 = 51,554.33/x
  3. Step 3: Cross multiply
    156,734.45x = 235,137.14 × 51,554.33
  4. Step 4: Simplify right side
    156,734.45x = 12,122,337,710.82
  5. Step 5: Solve for x
    x = 12,122,337,710.82/156,734.45
  6. Step 6: Final answer
    x = 77,343.16

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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.