Home / 226,483.20-312,564.24-135,842.76

Finding the Fourth Proportional to 226,483.20, 312,564.24 and 135,842.76

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Solution

The fourth proportional to 226,483.20, 312,564.24 and 135,842.76 is: 187,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,483.20 : 312,564.24 = 135,842.76 : x
  2. Step 2: Convert to fraction form
    226,483.20/312,564.24 = 135,842.76/x
  3. Step 3: Cross multiply
    226,483.20x = 312,564.24 × 135,842.76
  4. Step 4: Simplify right side
    226,483.20x = 42,459,589,038.90
  5. Step 5: Solve for x
    x = 42,459,589,038.90/226,483.20
  6. Step 6: Final answer
    x = 187,473.46

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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.