Home / 156,972.90-235,454.13-68,226.51

Finding the Fourth Proportional to 156,972.90, 235,454.13 and 68,226.51

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Solution

The fourth proportional to 156,972.90, 235,454.13 and 68,226.51 is: 102,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.90 : 235,454.13 = 68,226.51 : x
  2. Step 2: Convert to fraction form
    156,972.90/235,454.13 = 68,226.51/x
  3. Step 3: Cross multiply
    156,972.90x = 235,454.13 × 68,226.51
  4. Step 4: Simplify right side
    156,972.90x = 16,064,213,554.99
  5. Step 5: Solve for x
    x = 16,064,213,554.99/156,972.90
  6. Step 6: Final answer
    x = 102,337.50

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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.