Home / 161,402.36-241,999.68-77,160.63

Finding the Fourth Proportional to 161,402.36, 241,999.68 and 77,160.63

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Solution

The fourth proportional to 161,402.36, 241,999.68 and 77,160.63 is: 115,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,402.36 : 241,999.68 = 77,160.63 : x
  2. Step 2: Convert to fraction form
    161,402.36/241,999.68 = 77,160.63/x
  3. Step 3: Cross multiply
    161,402.36x = 241,999.68 × 77,160.63
  4. Step 4: Simplify right side
    161,402.36x = 18,672,848,965.45
  5. Step 5: Solve for x
    x = 18,672,848,965.45/161,402.36
  6. Step 6: Final answer
    x = 115,691.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.