Home / 168,639.12-232,726.68-93,192.48

Finding the Fourth Proportional to 168,639.12, 232,726.68 and 93,192.48

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Solution

The fourth proportional to 168,639.12, 232,726.68 and 93,192.48 is: 128,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,639.12 : 232,726.68 = 93,192.48 : x
  2. Step 2: Convert to fraction form
    168,639.12/232,726.68 = 93,192.48/x
  3. Step 3: Cross multiply
    168,639.12x = 232,726.68 × 93,192.48
  4. Step 4: Simplify right side
    168,639.12x = 21,688,376,471.37
  5. Step 5: Solve for x
    x = 21,688,376,471.37/168,639.12
  6. Step 6: Final answer
    x = 128,608.22

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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.