Home / 229,455.62-316,538.38-148,908.41

Finding the Fourth Proportional to 229,455.62, 316,538.38 and 148,908.41

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Solution

The fourth proportional to 229,455.62, 316,538.38 and 148,908.41 is: 205,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,455.62 : 316,538.38 = 148,908.41 : x
  2. Step 2: Convert to fraction form
    229,455.62/316,538.38 = 148,908.41/x
  3. Step 3: Cross multiply
    229,455.62x = 316,538.38 × 148,908.41
  4. Step 4: Simplify right side
    229,455.62x = 47,135,226,869.78
  5. Step 5: Solve for x
    x = 47,135,226,869.78/229,455.62
  6. Step 6: Final answer
    x = 205,421.98

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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.