Home / 155,664.20-233,496.30-76,932.20

Finding the Fourth Proportional to 155,664.20, 233,496.30 and 76,932.20

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Solution

The fourth proportional to 155,664.20, 233,496.30 and 76,932.20 is: 115,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,664.20 : 233,496.30 = 76,932.20 : x
  2. Step 2: Convert to fraction form
    155,664.20/233,496.30 = 76,932.20/x
  3. Step 3: Cross multiply
    155,664.20x = 233,496.30 × 76,932.20
  4. Step 4: Simplify right side
    155,664.20x = 17,963,384,050.86
  5. Step 5: Solve for x
    x = 17,963,384,050.86/155,664.20
  6. Step 6: Final answer
    x = 115,398.30

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1.5x scale

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.