Home / 104,431.10-156,646.65-102,703.10

Finding the Fourth Proportional to 104,431.10, 156,646.65 and 102,703.10

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Solution

The fourth proportional to 104,431.10, 156,646.65 and 102,703.10 is: 154,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.10 : 156,646.65 = 102,703.10 : x
  2. Step 2: Convert to fraction form
    104,431.10/156,646.65 = 102,703.10/x
  3. Step 3: Cross multiply
    104,431.10x = 156,646.65 × 102,703.10
  4. Step 4: Simplify right side
    104,431.10x = 16,088,096,559.62
  5. Step 5: Solve for x
    x = 16,088,096,559.62/104,431.10
  6. Step 6: Final answer
    x = 154,054.65

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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.