Home / 161,713.10-242,569.65-102,664.10

Finding the Fourth Proportional to 161,713.10, 242,569.65 and 102,664.10

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Solution

The fourth proportional to 161,713.10, 242,569.65 and 102,664.10 is: 153,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,713.10 : 242,569.65 = 102,664.10 : x
  2. Step 2: Convert to fraction form
    161,713.10/242,569.65 = 102,664.10/x
  3. Step 3: Cross multiply
    161,713.10x = 242,569.65 × 102,664.10
  4. Step 4: Simplify right side
    161,713.10x = 24,903,194,804.57
  5. Step 5: Solve for x
    x = 24,903,194,804.57/161,713.10
  6. Step 6: Final answer
    x = 153,996.15

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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.