Home / 352,004.64-527,998.24-102,688.80

Finding the Fourth Proportional to 352,004.64, 527,998.24 and 102,688.80

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Solution

The fourth proportional to 352,004.64, 527,998.24 and 102,688.80 is: 154,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.64 : 527,998.24 = 102,688.80 : x
  2. Step 2: Convert to fraction form
    352,004.64/527,998.24 = 102,688.80/x
  3. Step 3: Cross multiply
    352,004.64x = 527,998.24 × 102,688.80
  4. Step 4: Simplify right side
    352,004.64x = 54,219,505,667.71
  5. Step 5: Solve for x
    x = 54,219,505,667.71/352,004.64
  6. Step 6: Final answer
    x = 154,030.66

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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.