Home / 156,966.10-235,443.90-68,219.62

Finding the Fourth Proportional to 156,966.10, 235,443.90 and 68,219.62

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Solution

The fourth proportional to 156,966.10, 235,443.90 and 68,219.62 is: 102,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.10 : 235,443.90 = 68,219.62 : x
  2. Step 2: Convert to fraction form
    156,966.10/235,443.90 = 68,219.62/x
  3. Step 3: Cross multiply
    156,966.10x = 235,443.90 × 68,219.62
  4. Step 4: Simplify right side
    156,966.10x = 16,061,893,389.32
  5. Step 5: Solve for x
    x = 16,061,893,389.32/156,966.10
  6. Step 6: Final answer
    x = 102,327.15

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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.