Home / 119,379.41-164,740.90-65,663.25

Finding the Fourth Proportional to 119,379.41, 164,740.90 and 65,663.25

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Solution

The fourth proportional to 119,379.41, 164,740.90 and 65,663.25 is: 90,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,379.41 : 164,740.90 = 65,663.25 : x
  2. Step 2: Convert to fraction form
    119,379.41/164,740.90 = 65,663.25/x
  3. Step 3: Cross multiply
    119,379.41x = 164,740.90 × 65,663.25
  4. Step 4: Simplify right side
    119,379.41x = 10,817,422,901.93
  5. Step 5: Solve for x
    x = 10,817,422,901.93/119,379.41
  6. Step 6: Final answer
    x = 90,613.81

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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.