Home / 119,904.29-165,467.95-66,189.34

Finding the Fourth Proportional to 119,904.29, 165,467.95 and 66,189.34

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Solution

The fourth proportional to 119,904.29, 165,467.95 and 66,189.34 is: 91,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,904.29 : 165,467.95 = 66,189.34 : x
  2. Step 2: Convert to fraction form
    119,904.29/165,467.95 = 66,189.34/x
  3. Step 3: Cross multiply
    119,904.29x = 165,467.95 × 66,189.34
  4. Step 4: Simplify right side
    119,904.29x = 10,952,214,401.65
  5. Step 5: Solve for x
    x = 10,952,214,401.65/119,904.29
  6. Step 6: Final answer
    x = 91,341.31

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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.