Home / 242,928.07-335,239.86-135,498.02

Finding the Fourth Proportional to 242,928.07, 335,239.86 and 135,498.02

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Solution

The fourth proportional to 242,928.07, 335,239.86 and 135,498.02 is: 186,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.07 : 335,239.86 = 135,498.02 : x
  2. Step 2: Convert to fraction form
    242,928.07/335,239.86 = 135,498.02/x
  3. Step 3: Cross multiply
    242,928.07x = 335,239.86 × 135,498.02
  4. Step 4: Simplify right side
    242,928.07x = 45,424,335,578.88
  5. Step 5: Solve for x
    x = 45,424,335,578.88/242,928.07
  6. Step 6: Final answer
    x = 186,986.78

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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.