Home / 117,193.60-161,725.08-63,478.36

Finding the Fourth Proportional to 117,193.60, 161,725.08 and 63,478.36

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Solution

The fourth proportional to 117,193.60, 161,725.08 and 63,478.36 is: 87,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,193.60 : 161,725.08 = 63,478.36 : x
  2. Step 2: Convert to fraction form
    117,193.60/161,725.08 = 63,478.36/x
  3. Step 3: Cross multiply
    117,193.60x = 161,725.08 × 63,478.36
  4. Step 4: Simplify right side
    117,193.60x = 10,266,042,849.27
  5. Step 5: Solve for x
    x = 10,266,042,849.27/117,193.60
  6. Step 6: Final answer
    x = 87,599.01

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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.