Home / 142,783.29-214,205.04-54,034.83

Finding the Fourth Proportional to 142,783.29, 214,205.04 and 54,034.83

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Solution

The fourth proportional to 142,783.29, 214,205.04 and 54,034.83 is: 81,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,783.29 : 214,205.04 = 54,034.83 : x
  2. Step 2: Convert to fraction form
    142,783.29/214,205.04 = 54,034.83/x
  3. Step 3: Cross multiply
    142,783.29x = 214,205.04 × 54,034.83
  4. Step 4: Simplify right side
    142,783.29x = 11,574,532,921.54
  5. Step 5: Solve for x
    x = 11,574,532,921.54/142,783.29
  6. Step 6: Final answer
    x = 81,063.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.