Home / 119,326.72-164,671.49-65,615.22

Finding the Fourth Proportional to 119,326.72, 164,671.49 and 65,615.22

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Solution

The fourth proportional to 119,326.72, 164,671.49 and 65,615.22 is: 90,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.72 : 164,671.49 = 65,615.22 : x
  2. Step 2: Convert to fraction form
    119,326.72/164,671.49 = 65,615.22/x
  3. Step 3: Cross multiply
    119,326.72x = 164,671.49 × 65,615.22
  4. Step 4: Simplify right side
    119,326.72x = 10,804,956,044.08
  5. Step 5: Solve for x
    x = 10,804,956,044.08/119,326.72
  6. Step 6: Final answer
    x = 90,549.34

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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.