Home / 243,943.86-336,656.60-136,512.93

Finding the Fourth Proportional to 243,943.86, 336,656.60 and 136,512.93

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Solution

The fourth proportional to 243,943.86, 336,656.60 and 136,512.93 is: 188,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,943.86 : 336,656.60 = 136,512.93 : x
  2. Step 2: Convert to fraction form
    243,943.86/336,656.60 = 136,512.93/x
  3. Step 3: Cross multiply
    243,943.86x = 336,656.60 × 136,512.93
  4. Step 4: Simplify right side
    243,943.86x = 45,957,978,869.84
  5. Step 5: Solve for x
    x = 45,957,978,869.84/243,943.86
  6. Step 6: Final answer
    x = 188,395.72

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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.