Home / 352,565.08-529,057.70-127,943.03

Finding the Fourth Proportional to 352,565.08, 529,057.70 and 127,943.03

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Solution

The fourth proportional to 352,565.08, 529,057.70 and 127,943.03 is: 191,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,565.08 : 529,057.70 = 127,943.03 : x
  2. Step 2: Convert to fraction form
    352,565.08/529,057.70 = 127,943.03/x
  3. Step 3: Cross multiply
    352,565.08x = 529,057.70 × 127,943.03
  4. Step 4: Simplify right side
    352,565.08x = 67,689,245,182.83
  5. Step 5: Solve for x
    x = 67,689,245,182.83/352,565.08
  6. Step 6: Final answer
    x = 191,990.78

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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.