Home / 222,204.29-306,641.72-125,428.51

Finding the Fourth Proportional to 222,204.29, 306,641.72 and 125,428.51

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Solution

The fourth proportional to 222,204.29, 306,641.72 and 125,428.51 is: 173,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,204.29 : 306,641.72 = 125,428.51 : x
  2. Step 2: Convert to fraction form
    222,204.29/306,641.72 = 125,428.51/x
  3. Step 3: Cross multiply
    222,204.29x = 306,641.72 × 125,428.51
  4. Step 4: Simplify right side
    222,204.29x = 38,461,614,730.57
  5. Step 5: Solve for x
    x = 38,461,614,730.57/222,204.29
  6. Step 6: Final answer
    x = 173,091.24

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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.