Home / 168,689.64-232,699.54-108,192.96

Finding the Fourth Proportional to 168,689.64, 232,699.54 and 108,192.96

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Solution

The fourth proportional to 168,689.64, 232,699.54 and 108,192.96 is: 149,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,689.64 : 232,699.54 = 108,192.96 : x
  2. Step 2: Convert to fraction form
    168,689.64/232,699.54 = 108,192.96/x
  3. Step 3: Cross multiply
    168,689.64x = 232,699.54 × 108,192.96
  4. Step 4: Simplify right side
    168,689.64x = 25,176,452,023.24
  5. Step 5: Solve for x
    x = 25,176,452,023.24/168,689.64
  6. Step 6: Final answer
    x = 149,247.17

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1.5x scale

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.