Home / 242,918.03-335,227.34-135,495.02

Finding the Fourth Proportional to 242,918.03, 335,227.34 and 135,495.02

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Solution

The fourth proportional to 242,918.03, 335,227.34 and 135,495.02 is: 186,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,918.03 : 335,227.34 = 135,495.02 : x
  2. Step 2: Convert to fraction form
    242,918.03/335,227.34 = 135,495.02/x
  3. Step 3: Cross multiply
    242,918.03x = 335,227.34 × 135,495.02
  4. Step 4: Simplify right side
    242,918.03x = 45,421,632,784.24
  5. Step 5: Solve for x
    x = 45,421,632,784.24/242,918.03
  6. Step 6: Final answer
    x = 186,983.38

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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.