Home / 119,326.55-164,671.25-65,615.03

Finding the Fourth Proportional to 119,326.55, 164,671.25 and 65,615.03

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Solution

The fourth proportional to 119,326.55, 164,671.25 and 65,615.03 is: 90,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.55 : 164,671.25 = 65,615.03 : x
  2. Step 2: Convert to fraction form
    119,326.55/164,671.25 = 65,615.03/x
  3. Step 3: Cross multiply
    119,326.55x = 164,671.25 × 65,615.03
  4. Step 4: Simplify right side
    119,326.55x = 10,804,907,857.46
  5. Step 5: Solve for x
    x = 10,804,907,857.46/119,326.55
  6. Step 6: Final answer
    x = 90,549.07

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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.