Home / 242,973.11-335,301.97-135,543.06

Finding the Fourth Proportional to 242,973.11, 335,301.97 and 135,543.06

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Solution

The fourth proportional to 242,973.11, 335,301.97 and 135,543.06 is: 187,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,973.11 : 335,301.97 = 135,543.06 : x
  2. Step 2: Convert to fraction form
    242,973.11/335,301.97 = 135,543.06/x
  3. Step 3: Cross multiply
    242,973.11x = 335,301.97 × 135,543.06
  4. Step 4: Simplify right side
    242,973.11x = 45,447,855,037.83
  5. Step 5: Solve for x
    x = 45,447,855,037.83/242,973.11
  6. Step 6: Final answer
    x = 187,048.91

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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.