Home / 119,741.32-165,299.70-69,421.96

Finding the Fourth Proportional to 119,741.32, 165,299.70 and 69,421.96

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Solution

The fourth proportional to 119,741.32, 165,299.70 and 69,421.96 is: 95,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,741.32 : 165,299.70 = 69,421.96 : x
  2. Step 2: Convert to fraction form
    119,741.32/165,299.70 = 69,421.96/x
  3. Step 3: Cross multiply
    119,741.32x = 165,299.70 × 69,421.96
  4. Step 4: Simplify right side
    119,741.32x = 11,475,429,161.41
  5. Step 5: Solve for x
    x = 11,475,429,161.41/119,741.32
  6. Step 6: Final answer
    x = 95,835.17

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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.