Home / 117,211.31-161,752.02-63,496.19

Finding the Fourth Proportional to 117,211.31, 161,752.02 and 63,496.19

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Solution

The fourth proportional to 117,211.31, 161,752.02 and 63,496.19 is: 87,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,211.31 : 161,752.02 = 63,496.19 : x
  2. Step 2: Convert to fraction form
    117,211.31/161,752.02 = 63,496.19/x
  3. Step 3: Cross multiply
    117,211.31x = 161,752.02 × 63,496.19
  4. Step 4: Simplify right side
    117,211.31x = 10,270,636,186.04
  5. Step 5: Solve for x
    x = 10,270,636,186.04/117,211.31
  6. Step 6: Final answer
    x = 87,624.96

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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.