Home / 156,940.02-216,435.51-103,204.62

Finding the Fourth Proportional to 156,940.02, 216,435.51 and 103,204.62

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Solution

The fourth proportional to 156,940.02, 216,435.51 and 103,204.62 is: 142,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.02 : 216,435.51 = 103,204.62 : x
  2. Step 2: Convert to fraction form
    156,940.02/216,435.51 = 103,204.62/x
  3. Step 3: Cross multiply
    156,940.02x = 216,435.51 × 103,204.62
  4. Step 4: Simplify right side
    156,940.02x = 22,337,144,564.06
  5. Step 5: Solve for x
    x = 22,337,144,564.06/156,940.02
  6. Step 6: Final answer
    x = 142,329.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.