Home / 116,516.98-161,402.30-114,155.02

Finding the Fourth Proportional to 116,516.98, 161,402.30 and 114,155.02

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Solution

The fourth proportional to 116,516.98, 161,402.30 and 114,155.02 is: 158,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,516.98 : 161,402.30 = 114,155.02 : x
  2. Step 2: Convert to fraction form
    116,516.98/161,402.30 = 114,155.02/x
  3. Step 3: Cross multiply
    116,516.98x = 161,402.30 × 114,155.02
  4. Step 4: Simplify right side
    116,516.98x = 18,424,882,784.55
  5. Step 5: Solve for x
    x = 18,424,882,784.55/116,516.98
  6. Step 6: Final answer
    x = 158,130.45

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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.