Home / 119,207.04-164,508.62-65,495.54

Finding the Fourth Proportional to 119,207.04, 164,508.62 and 65,495.54

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Solution

The fourth proportional to 119,207.04, 164,508.62 and 65,495.54 is: 90,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,207.04 : 164,508.62 = 65,495.54 : x
  2. Step 2: Convert to fraction form
    119,207.04/164,508.62 = 65,495.54/x
  3. Step 3: Cross multiply
    119,207.04x = 164,508.62 × 65,495.54
  4. Step 4: Simplify right side
    119,207.04x = 10,774,579,751.53
  5. Step 5: Solve for x
    x = 10,774,579,751.53/119,207.04
  6. Step 6: Final answer
    x = 90,385.43

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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.