Home / 229,103.16-343,516.56-102,720.48

Finding the Fourth Proportional to 229,103.16, 343,516.56 and 102,720.48

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Solution

The fourth proportional to 229,103.16, 343,516.56 and 102,720.48 is: 154,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,103.16 : 343,516.56 = 102,720.48 : x
  2. Step 2: Convert to fraction form
    229,103.16/343,516.56 = 102,720.48/x
  3. Step 3: Cross multiply
    229,103.16x = 343,516.56 × 102,720.48
  4. Step 4: Simplify right side
    229,103.16x = 35,286,185,931.15
  5. Step 5: Solve for x
    x = 35,286,185,931.15/229,103.16
  6. Step 6: Final answer
    x = 154,018.77

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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.