Home / 119,279.16-164,601.99-65,564.19

Finding the Fourth Proportional to 119,279.16, 164,601.99 and 65,564.19

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Solution

The fourth proportional to 119,279.16, 164,601.99 and 65,564.19 is: 90,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,279.16 : 164,601.99 = 65,564.19 : x
  2. Step 2: Convert to fraction form
    119,279.16/164,601.99 = 65,564.19/x
  3. Step 3: Cross multiply
    119,279.16x = 164,601.99 × 65,564.19
  4. Step 4: Simplify right side
    119,279.16x = 10,791,996,146.74
  5. Step 5: Solve for x
    x = 10,791,996,146.74/119,279.16
  6. Step 6: Final answer
    x = 90,476.80

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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.