Home / 242,163.09-334,168.47-134,729.10

Finding the Fourth Proportional to 242,163.09, 334,168.47 and 134,729.10

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Solution

The fourth proportional to 242,163.09, 334,168.47 and 134,729.10 is: 185,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,163.09 : 334,168.47 = 134,729.10 : x
  2. Step 2: Convert to fraction form
    242,163.09/334,168.47 = 134,729.10/x
  3. Step 3: Cross multiply
    242,163.09x = 334,168.47 × 134,729.10
  4. Step 4: Simplify right side
    242,163.09x = 45,022,217,211.48
  5. Step 5: Solve for x
    x = 45,022,217,211.48/242,163.09
  6. Step 6: Final answer
    x = 185,916.93

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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.