Home / 159,133.51-219,591.20-93,712.04

Finding the Fourth Proportional to 159,133.51, 219,591.20 and 93,712.04

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Solution

The fourth proportional to 159,133.51, 219,591.20 and 93,712.04 is: 129,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,133.51 : 219,591.20 = 93,712.04 : x
  2. Step 2: Convert to fraction form
    159,133.51/219,591.20 = 93,712.04/x
  3. Step 3: Cross multiply
    159,133.51x = 219,591.20 × 93,712.04
  4. Step 4: Simplify right side
    159,133.51x = 20,578,339,277.84
  5. Step 5: Solve for x
    x = 20,578,339,277.84/159,133.51
  6. Step 6: Final answer
    x = 129,314.93

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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.