Home / 159,076.05-219,522.59-86,476.53

Finding the Fourth Proportional to 159,076.05, 219,522.59 and 86,476.53

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Solution

The fourth proportional to 159,076.05, 219,522.59 and 86,476.53 is: 119,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,076.05 : 219,522.59 = 86,476.53 : x
  2. Step 2: Convert to fraction form
    159,076.05/219,522.59 = 86,476.53/x
  3. Step 3: Cross multiply
    159,076.05x = 219,522.59 × 86,476.53
  4. Step 4: Simplify right side
    159,076.05x = 18,983,551,407.43
  5. Step 5: Solve for x
    x = 18,983,551,407.43/159,076.05
  6. Step 6: Final answer
    x = 119,336.33

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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.