Home / 119,640.08-165,103.32-69,368.24

Finding the Fourth Proportional to 119,640.08, 165,103.32 and 69,368.24

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Solution

The fourth proportional to 119,640.08, 165,103.32 and 69,368.24 is: 95,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,640.08 : 165,103.32 = 69,368.24 : x
  2. Step 2: Convert to fraction form
    119,640.08/165,103.32 = 69,368.24/x
  3. Step 3: Cross multiply
    119,640.08x = 165,103.32 × 69,368.24
  4. Step 4: Simplify right side
    119,640.08x = 11,452,926,726.56
  5. Step 5: Solve for x
    x = 11,452,926,726.56/119,640.08
  6. Step 6: Final answer
    x = 95,728.18

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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.