Home / 119,467.07-164,865.71-65,753.31

Finding the Fourth Proportional to 119,467.07, 164,865.71 and 65,753.31

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Solution

The fourth proportional to 119,467.07, 164,865.71 and 65,753.31 is: 90,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,467.07 : 164,865.71 = 65,753.31 : x
  2. Step 2: Convert to fraction form
    119,467.07/164,865.71 = 65,753.31/x
  3. Step 3: Cross multiply
    119,467.07x = 164,865.71 × 65,753.31
  4. Step 4: Simplify right side
    119,467.07x = 10,840,465,809.23
  5. Step 5: Solve for x
    x = 10,840,465,809.23/119,467.07
  6. Step 6: Final answer
    x = 90,740.20

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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.