Home / 142,781.94-214,176.35-48,013.36

Finding the Fourth Proportional to 142,781.94, 214,176.35 and 48,013.36

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Solution

The fourth proportional to 142,781.94, 214,176.35 and 48,013.36 is: 72,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,781.94 : 214,176.35 = 48,013.36 : x
  2. Step 2: Convert to fraction form
    142,781.94/214,176.35 = 48,013.36/x
  3. Step 3: Cross multiply
    142,781.94x = 214,176.35 × 48,013.36
  4. Step 4: Simplify right side
    142,781.94x = 10,283,325,780.63
  5. Step 5: Solve for x
    x = 10,283,325,780.63/142,781.94
  6. Step 6: Final answer
    x = 72,021.19

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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.