Home / 352,630.23-528,944.18-127,990.37

Finding the Fourth Proportional to 352,630.23, 528,944.18 and 127,990.37

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Solution

The fourth proportional to 352,630.23, 528,944.18 and 127,990.37 is: 191,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,630.23 : 528,944.18 = 127,990.37 : x
  2. Step 2: Convert to fraction form
    352,630.23/528,944.18 = 127,990.37/x
  3. Step 3: Cross multiply
    352,630.23x = 528,944.18 × 127,990.37
  4. Step 4: Simplify right side
    352,630.23x = 67,699,758,022.87
  5. Step 5: Solve for x
    x = 67,699,758,022.87/352,630.23
  6. Step 6: Final answer
    x = 191,985.12

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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.