Home / 229,079.37-316,140.18-143,089.27

Finding the Fourth Proportional to 229,079.37, 316,140.18 and 143,089.27

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Solution

The fourth proportional to 229,079.37, 316,140.18 and 143,089.27 is: 197,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,079.37 : 316,140.18 = 143,089.27 : x
  2. Step 2: Convert to fraction form
    229,079.37/316,140.18 = 143,089.27/x
  3. Step 3: Cross multiply
    229,079.37x = 316,140.18 × 143,089.27
  4. Step 4: Simplify right side
    229,079.37x = 45,236,265,993.17
  5. Step 5: Solve for x
    x = 45,236,265,993.17/229,079.37
  6. Step 6: Final answer
    x = 197,469.84

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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.