Home / 156,916.49-235,242.09-68,103.23

Finding the Fourth Proportional to 156,916.49, 235,242.09 and 68,103.23

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Solution

The fourth proportional to 156,916.49, 235,242.09 and 68,103.23 is: 102,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.49 : 235,242.09 = 68,103.23 : x
  2. Step 2: Convert to fraction form
    156,916.49/235,242.09 = 68,103.23/x
  3. Step 3: Cross multiply
    156,916.49x = 235,242.09 × 68,103.23
  4. Step 4: Simplify right side
    156,916.49x = 16,020,746,160.95
  5. Step 5: Solve for x
    x = 16,020,746,160.95/156,916.49
  6. Step 6: Final answer
    x = 102,097.28

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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.