Home / 117,276.45-161,837.56-69,501.43

Finding the Fourth Proportional to 117,276.45, 161,837.56 and 69,501.43

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Solution

The fourth proportional to 117,276.45, 161,837.56 and 69,501.43 is: 95,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,276.45 : 161,837.56 = 69,501.43 : x
  2. Step 2: Convert to fraction form
    117,276.45/161,837.56 = 69,501.43/x
  3. Step 3: Cross multiply
    117,276.45x = 161,837.56 × 69,501.43
  4. Step 4: Simplify right side
    117,276.45x = 11,247,941,847.71
  5. Step 5: Solve for x
    x = 11,247,941,847.71/117,276.45
  6. Step 6: Final answer
    x = 95,909.64

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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.