Home / 157,577.05-236,329.53-45,256.38

Finding the Fourth Proportional to 157,577.05, 236,329.53 and 45,256.38

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Solution

The fourth proportional to 157,577.05, 236,329.53 and 45,256.38 is: 67,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,577.05 : 236,329.53 = 45,256.38 : x
  2. Step 2: Convert to fraction form
    157,577.05/236,329.53 = 45,256.38/x
  3. Step 3: Cross multiply
    157,577.05x = 236,329.53 × 45,256.38
  4. Step 4: Simplify right side
    157,577.05x = 10,695,419,014.90
  5. Step 5: Solve for x
    x = 10,695,419,014.90/157,577.05
  6. Step 6: Final answer
    x = 67,874.22

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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.