Home / 235,129.12-324,478.11-127,699.18

Finding the Fourth Proportional to 235,129.12, 324,478.11 and 127,699.18

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Solution

The fourth proportional to 235,129.12, 324,478.11 and 127,699.18 is: 176,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,129.12 : 324,478.11 = 127,699.18 : x
  2. Step 2: Convert to fraction form
    235,129.12/324,478.11 = 127,699.18/x
  3. Step 3: Cross multiply
    235,129.12x = 324,478.11 × 127,699.18
  4. Step 4: Simplify right side
    235,129.12x = 41,435,588,574.95
  5. Step 5: Solve for x
    x = 41,435,588,574.95/235,129.12
  6. Step 6: Final answer
    x = 176,224.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.