Home / 119,309.32-178,954.66-69,357.56

Finding the Fourth Proportional to 119,309.32, 178,954.66 and 69,357.56

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Solution

The fourth proportional to 119,309.32, 178,954.66 and 69,357.56 is: 104,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,309.32 : 178,954.66 = 69,357.56 : x
  2. Step 2: Convert to fraction form
    119,309.32/178,954.66 = 69,357.56/x
  3. Step 3: Cross multiply
    119,309.32x = 178,954.66 × 69,357.56
  4. Step 4: Simplify right side
    119,309.32x = 12,411,858,568.23
  5. Step 5: Solve for x
    x = 12,411,858,568.23/119,309.32
  6. Step 6: Final answer
    x = 104,030.92

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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.