Home / 374,072.11-561,186.93-121,332.82

Finding the Fourth Proportional to 374,072.11, 561,186.93 and 121,332.82

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Solution

The fourth proportional to 374,072.11, 561,186.93 and 121,332.82 is: 182,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,072.11 : 561,186.93 = 121,332.82 : x
  2. Step 2: Convert to fraction form
    374,072.11/561,186.93 = 121,332.82/x
  3. Step 3: Cross multiply
    374,072.11x = 561,186.93 × 121,332.82
  4. Step 4: Simplify right side
    374,072.11x = 68,090,392,764.04
  5. Step 5: Solve for x
    x = 68,090,392,764.04/374,072.11
  6. Step 6: Final answer
    x = 182,024.78

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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.