Home / 116,535.66-161,428.28-114,173.70

Finding the Fourth Proportional to 116,535.66, 161,428.28 and 114,173.70

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Solution

The fourth proportional to 116,535.66, 161,428.28 and 114,173.70 is: 158,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,535.66 : 161,428.28 = 114,173.70 : x
  2. Step 2: Convert to fraction form
    116,535.66/161,428.28 = 114,173.70/x
  3. Step 3: Cross multiply
    116,535.66x = 161,428.28 × 114,173.70
  4. Step 4: Simplify right side
    116,535.66x = 18,430,864,012.24
  5. Step 5: Solve for x
    x = 18,430,864,012.24/116,535.66
  6. Step 6: Final answer
    x = 158,156.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.