Home / 222,151.51-306,569.12-125,376

Finding the Fourth Proportional to 222,151.51, 306,569.12 and 125,376

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Solution

The fourth proportional to 222,151.51, 306,569.12 and 125,376 is: 173,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,151.51 : 306,569.12 = 125,376 : x
  2. Step 2: Convert to fraction form
    222,151.51/306,569.12 = 125,376/x
  3. Step 3: Cross multiply
    222,151.51x = 306,569.12 × 125,376
  4. Step 4: Simplify right side
    222,151.51x = 38,436,409,989.12
  5. Step 5: Solve for x
    x = 38,436,409,989.12/222,151.51
  6. Step 6: Final answer
    x = 173,018.90

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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.