Home / 229,731.87-316,983.52-134,220.11

Finding the Fourth Proportional to 229,731.87, 316,983.52 and 134,220.11

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Solution

The fourth proportional to 229,731.87, 316,983.52 and 134,220.11 is: 185,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.87 : 316,983.52 = 134,220.11 : x
  2. Step 2: Convert to fraction form
    229,731.87/316,983.52 = 134,220.11/x
  3. Step 3: Cross multiply
    229,731.87x = 316,983.52 × 134,220.11
  4. Step 4: Simplify right side
    229,731.87x = 42,545,562,922.59
  5. Step 5: Solve for x
    x = 42,545,562,922.59/229,731.87
  6. Step 6: Final answer
    x = 185,196.61

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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.