Home / 374,045.43-561,150.18-121,351.47

Finding the Fourth Proportional to 374,045.43, 561,150.18 and 121,351.47

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Solution

The fourth proportional to 374,045.43, 561,150.18 and 121,351.47 is: 182,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,045.43 : 561,150.18 = 121,351.47 : x
  2. Step 2: Convert to fraction form
    374,045.43/561,150.18 = 121,351.47/x
  3. Step 3: Cross multiply
    374,045.43x = 561,150.18 × 121,351.47
  4. Step 4: Simplify right side
    374,045.43x = 68,096,399,233.76
  5. Step 5: Solve for x
    x = 68,096,399,233.76/374,045.43
  6. Step 6: Final answer
    x = 182,053.82

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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.