Home / 117,210.85-161,750.72-63,497.18

Finding the Fourth Proportional to 117,210.85, 161,750.72 and 63,497.18

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Solution

The fourth proportional to 117,210.85, 161,750.72 and 63,497.18 is: 87,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,210.85 : 161,750.72 = 63,497.18 : x
  2. Step 2: Convert to fraction form
    117,210.85/161,750.72 = 63,497.18/x
  3. Step 3: Cross multiply
    117,210.85x = 161,750.72 × 63,497.18
  4. Step 4: Simplify right side
    117,210.85x = 10,270,715,146.09
  5. Step 5: Solve for x
    x = 10,270,715,146.09/117,210.85
  6. Step 6: Final answer
    x = 87,625.98

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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.