Home / 119,291.04-164,623.68-65,578.32

Finding the Fourth Proportional to 119,291.04, 164,623.68 and 65,578.32

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Solution

The fourth proportional to 119,291.04, 164,623.68 and 65,578.32 is: 90,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,291.04 : 164,623.68 = 65,578.32 : x
  2. Step 2: Convert to fraction form
    119,291.04/164,623.68 = 65,578.32/x
  3. Step 3: Cross multiply
    119,291.04x = 164,623.68 × 65,578.32
  4. Step 4: Simplify right side
    119,291.04x = 10,795,744,366.62
  5. Step 5: Solve for x
    x = 10,795,744,366.62/119,291.04
  6. Step 6: Final answer
    x = 90,499.21

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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.