Home / 117,275.45-161,836.18-69,500.43

Finding the Fourth Proportional to 117,275.45, 161,836.18 and 69,500.43

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Solution

The fourth proportional to 117,275.45, 161,836.18 and 69,500.43 is: 95,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,275.45 : 161,836.18 = 69,500.43 : x
  2. Step 2: Convert to fraction form
    117,275.45/161,836.18 = 69,500.43/x
  3. Step 3: Cross multiply
    117,275.45x = 161,836.18 × 69,500.43
  4. Step 4: Simplify right side
    117,275.45x = 11,247,683,925.81
  5. Step 5: Solve for x
    x = 11,247,683,925.81/117,275.45
  6. Step 6: Final answer
    x = 95,908.26

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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.