Home / 229,730.49-316,981.62-134,218.73

Finding the Fourth Proportional to 229,730.49, 316,981.62 and 134,218.73

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Solution

The fourth proportional to 229,730.49, 316,981.62 and 134,218.73 is: 185,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,730.49 : 316,981.62 = 134,218.73 : x
  2. Step 2: Convert to fraction form
    229,730.49/316,981.62 = 134,218.73/x
  3. Step 3: Cross multiply
    229,730.49x = 316,981.62 × 134,218.73
  4. Step 4: Simplify right side
    229,730.49x = 42,544,871,262.20
  5. Step 5: Solve for x
    x = 42,544,871,262.20/229,730.49
  6. Step 6: Final answer
    x = 185,194.71

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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.