Home / 357,845.12-536,733.12-108,529.28

Finding the Fourth Proportional to 357,845.12, 536,733.12 and 108,529.28

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Solution

The fourth proportional to 357,845.12, 536,733.12 and 108,529.28 is: 162,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,845.12 : 536,733.12 = 108,529.28 : x
  2. Step 2: Convert to fraction form
    357,845.12/536,733.12 = 108,529.28/x
  3. Step 3: Cross multiply
    357,845.12x = 536,733.12 × 108,529.28
  4. Step 4: Simplify right side
    357,845.12x = 58,251,259,065.75
  5. Step 5: Solve for x
    x = 58,251,259,065.75/357,845.12
  6. Step 6: Final answer
    x = 162,783.44

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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.