Home / 242,921.03-335,231.48-135,498.02

Finding the Fourth Proportional to 242,921.03, 335,231.48 and 135,498.02

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Solution

The fourth proportional to 242,921.03, 335,231.48 and 135,498.02 is: 186,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,921.03 : 335,231.48 = 135,498.02 : x
  2. Step 2: Convert to fraction form
    242,921.03/335,231.48 = 135,498.02/x
  3. Step 3: Cross multiply
    242,921.03x = 335,231.48 × 135,498.02
  4. Step 4: Simplify right side
    242,921.03x = 45,423,199,428.02
  5. Step 5: Solve for x
    x = 45,423,199,428.02/242,921.03
  6. Step 6: Final answer
    x = 186,987.52

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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.