Home / 222,386.17-306,892.47-120,411.73

Finding the Fourth Proportional to 222,386.17, 306,892.47 and 120,411.73

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Solution

The fourth proportional to 222,386.17, 306,892.47 and 120,411.73 is: 166,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,386.17 : 306,892.47 = 120,411.73 : x
  2. Step 2: Convert to fraction form
    222,386.17/306,892.47 = 120,411.73/x
  3. Step 3: Cross multiply
    222,386.17x = 306,892.47 × 120,411.73
  4. Step 4: Simplify right side
    222,386.17x = 36,953,453,236.67
  5. Step 5: Solve for x
    x = 36,953,453,236.67/222,386.17
  6. Step 6: Final answer
    x = 166,167.95

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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.