Home / 227,214.40-313,579.20-136,599.88

Finding the Fourth Proportional to 227,214.40, 313,579.20 and 136,599.88

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Solution

The fourth proportional to 227,214.40, 313,579.20 and 136,599.88 is: 188,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,214.40 : 313,579.20 = 136,599.88 : x
  2. Step 2: Convert to fraction form
    227,214.40/313,579.20 = 136,599.88/x
  3. Step 3: Cross multiply
    227,214.40x = 313,579.20 × 136,599.88
  4. Step 4: Simplify right side
    227,214.40x = 42,834,881,090.50
  5. Step 5: Solve for x
    x = 42,834,881,090.50/227,214.40
  6. Step 6: Final answer
    x = 188,521.86

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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.