Home / 155,968.14-234,056.03-84,908.71

Finding the Fourth Proportional to 155,968.14, 234,056.03 and 84,908.71

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Solution

The fourth proportional to 155,968.14, 234,056.03 and 84,908.71 is: 127,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,968.14 : 234,056.03 = 84,908.71 : x
  2. Step 2: Convert to fraction form
    155,968.14/234,056.03 = 84,908.71/x
  3. Step 3: Cross multiply
    155,968.14x = 234,056.03 × 84,908.71
  4. Step 4: Simplify right side
    155,968.14x = 19,873,395,575.02
  5. Step 5: Solve for x
    x = 19,873,395,575.02/155,968.14
  6. Step 6: Final answer
    x = 127,419.58

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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.