Home / 219,734.42-303,256.10-133,699.66

Finding the Fourth Proportional to 219,734.42, 303,256.10 and 133,699.66

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Solution

The fourth proportional to 219,734.42, 303,256.10 and 133,699.66 is: 184,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,734.42 : 303,256.10 = 133,699.66 : x
  2. Step 2: Convert to fraction form
    219,734.42/303,256.10 = 133,699.66/x
  3. Step 3: Cross multiply
    219,734.42x = 303,256.10 × 133,699.66
  4. Step 4: Simplify right side
    219,734.42x = 40,545,238,744.85
  5. Step 5: Solve for x
    x = 40,545,238,744.85/219,734.42
  6. Step 6: Final answer
    x = 184,519.29

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1.5x scale

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.