Home / 156,966.84-235,317.54-68,153.16

Finding the Fourth Proportional to 156,966.84, 235,317.54 and 68,153.16

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Solution

The fourth proportional to 156,966.84, 235,317.54 and 68,153.16 is: 102,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.84 : 235,317.54 = 68,153.16 : x
  2. Step 2: Convert to fraction form
    156,966.84/235,317.54 = 68,153.16/x
  3. Step 3: Cross multiply
    156,966.84x = 235,317.54 × 68,153.16
  4. Step 4: Simplify right side
    156,966.84x = 16,037,633,954.43
  5. Step 5: Solve for x
    x = 16,037,633,954.43/156,966.84
  6. Step 6: Final answer
    x = 102,172.11

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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.