Home / 161,715.40-223,164.82-93,741.64

Finding the Fourth Proportional to 161,715.40, 223,164.82 and 93,741.64

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Solution

The fourth proportional to 161,715.40, 223,164.82 and 93,741.64 is: 129,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715.40 : 223,164.82 = 93,741.64 : x
  2. Step 2: Convert to fraction form
    161,715.40/223,164.82 = 93,741.64/x
  3. Step 3: Cross multiply
    161,715.40x = 223,164.82 × 93,741.64
  4. Step 4: Simplify right side
    161,715.40x = 20,919,836,217.10
  5. Step 5: Solve for x
    x = 20,919,836,217.10/161,715.40
  6. Step 6: Final answer
    x = 129,362.05

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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.