Home / 157,530.96-236,290.77-45,212.04

Finding the Fourth Proportional to 157,530.96, 236,290.77 and 45,212.04

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Solution

The fourth proportional to 157,530.96, 236,290.77 and 45,212.04 is: 67,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.96 : 236,290.77 = 45,212.04 : x
  2. Step 2: Convert to fraction form
    157,530.96/236,290.77 = 45,212.04/x
  3. Step 3: Cross multiply
    157,530.96x = 236,290.77 × 45,212.04
  4. Step 4: Simplify right side
    157,530.96x = 10,683,187,744.87
  5. Step 5: Solve for x
    x = 10,683,187,744.87/157,530.96
  6. Step 6: Final answer
    x = 67,816.43

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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.