Home / 117,191.54-161,723.28-63,473.36

Finding the Fourth Proportional to 117,191.54, 161,723.28 and 63,473.36

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Solution

The fourth proportional to 117,191.54, 161,723.28 and 63,473.36 is: 87,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191.54 : 161,723.28 = 63,473.36 : x
  2. Step 2: Convert to fraction form
    117,191.54/161,723.28 = 63,473.36/x
  3. Step 3: Cross multiply
    117,191.54x = 161,723.28 × 63,473.36
  4. Step 4: Simplify right side
    117,191.54x = 10,265,119,971.82
  5. Step 5: Solve for x
    x = 10,265,119,971.82/117,191.54
  6. Step 6: Final answer
    x = 87,592.67

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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.