Home / 229,732.37-316,984.21-134,220.61

Finding the Fourth Proportional to 229,732.37, 316,984.21 and 134,220.61

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Solution

The fourth proportional to 229,732.37, 316,984.21 and 134,220.61 is: 185,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,732.37 : 316,984.21 = 134,220.61 : x
  2. Step 2: Convert to fraction form
    229,732.37/316,984.21 = 134,220.61/x
  3. Step 3: Cross multiply
    229,732.37x = 316,984.21 × 134,220.61
  4. Step 4: Simplify right side
    229,732.37x = 42,545,812,898.56
  5. Step 5: Solve for x
    x = 42,545,812,898.56/229,732.37
  6. Step 6: Final answer
    x = 185,197.30

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1.5x scale

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.